"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 7788774 | Twist lock clasp and coupling method A releasable clasp or coupling includes a female member and a male member each having a cylindrical body, a flat front end disposed at an angle diagonal to the longitudinal axis of its body, and a rear end adapted to be connected to the end of a flexible member such... | 09/07/2010 |
| 7377128 | Clasp for ornamental material A clasp for an ornamental material, such as knitwear, has two portions. One end of a clasp portion serves as a mating face, while the other end of a clasp portion has an aperture. The mating faces have complementary registration structures, such as a bump and well, ... | 05/27/2008 |
| 7322076 | Clasp for jewelry The clasp for jewelry includes a body, a pin insertable into the body, a stopper engaging to the pin having been inserted into the body to keep the pin engaged to the body, and a releaser releasing the pin from the body. When pulled or slid, the releaser releases th... | 01/29/2008 |
| 7096690 | Bracelet and pendant A bracelet has a removable ornament that can also be worn as a necklace pendant. The bracelet includes a resilient wristband with opposed first and second ends with hooks at each end. The hooks are preferably transverse to the plane of the wristband and extend in op... | 08/29/2006 |
| 6508080 | Clasp for jewelry and accessory A connecting device for jewelry and accessories includes a male member formed as a pole having a tapered head, a groove on the surrounding surface at the bottom end, and having a connecting portion for connecting to jewelry and accessories at the end. A f... | 01/21/2003 |
| 6202268 | Positive locking jewelry safety latch A positive locking safety latch for use as a secondary latch in ensuring the holding closed of an openable encircling jewelry item such as for the wrist (bracelets or watches), necklaces, anklets and the like, already locked closed by a primary latch. The... | 03/20/2001 |
| 6058576 | Jewelry clasp A method and apparatus for connecting two strand ends such as those found on jewelry pieces such as necklaces, chains and bracelets. The method and apparatus involve fastening the two strand ends using a connecting member attached to one strand and a rece... | 05/09/2000 |
| 5634244 | Clasp for beaded chains The invention relates to a connecting clasp for beaded chains, which include a cord and bead bodies, wherein two sleeves, a socket sleeve and a plug sleeve, have an at least geometrical longitudinal axis, and can be plugged one into the other in the direc... | 06/03/1997 |
| 5628095 | Clasp for jewelry A jewelry clasp has a first and a second clasp member connected to one another for closing the clasp. At least the first clasp member has a spring-weighed element for achieving a fixation of a closed position of the clasp. The first clasp member has a fir... | 05/13/1997 |
| 5369854 | Necklace clasp A necklace clasp designed to permit the wearing of multiple necklaces or neck chains without them becoming entangled and having the overall appearance of a butterfly which comprises a two-part holding device with the edge of one part abutting the correspo... | 12/06/1994 |
| 5341659 | Multi-strand jewelry clasp A multi-strand jewelry clasp comprises a pair of clasp connector boxes in each of which is provided a plurality of pivot hooks and rings for detachable connection to one end of each of a plurality of jewelry strands, such as chains or necklaces. A single ... | 08/30/1994 |
| 4935996 | Combination hinge and clasp for jewelry A hinge and clasp connection especially adapted for use in jewelry items where it is desirable to separably connect two components and at the same time enable relative pivotal movement between the connected components. The combination hinge and clasp incl... | 06/26/1990 |
| 4928359 | Extendable bracelet clasp with fine adjustment The clasp of this invention include a first element (1) bearing a hook (4) and a second element (6) under which is arranged a catch (9). The second element is provided with an opening (8) giving access to two identical holes (11, 17) arranged side by side... | 05/29/1990 |
| 4648161 | Jewelry clasp A two-part clasp has female and male members with the female member being provided with a bore and a slot and into which a prong on the male member interfits for lateral engagement. The female member is provided with a latch which moves beneath the member... | 03/10/1987 |
| 4593440 | Clasp with positive latch mechanism A clasp includes first and second clasp members which are coupled and uncoupled by complementary pairs of latch members, one of which pairs of latch members is mounted for pivotal movement in response to engagement with the other pair of latch members upo... | 06/10/1986 |
| 4566159 | Safety clasp for a necklace or bracelet chain A safety clasp which may be used in particular for a necklace or bracelet chain, comprises two pieces sliding one in the other, namely an outer sleeve and a slide element housed inside the sleeve. The sleeve has hooked thereto, at one end, the first end l... | 01/28/1986 |
| 4545095 | Extensible clasp for use with a flexible wristlet An extensible clasp is described for use with a watch strap of flat flexible material having at one end a portion formed with a loop fitted with a buckle and at the other end a portion providing apertures for the tongue of the buckle. The clasp comprises ... | 10/08/1985 |
| 4545094 | Extensible clasp for use with flexible wristlet An extensible clasp is described for use with a continuous flexible wristlet, as for a watch. The clasp comprises first and second elongated portions that are connected by a hinge pin. The first portion is slightly curved to conform to the shape of a wris... | 10/08/1985 |
| 4286360 | Jewelry clasp A jewelry clasp having a male member adapted to be inserted into an opening in a female member, and the female member including a releasable locking mechanism clasping the male and female members together, wherein a retaining guard is releasably placed on... | 09/01/1981 |
| 4246679 | Releasable clasp for a necklace or the like A releasable clasp for a necklace or the like wherein a rigid housing having an open end houses a tubular holder of flexible material with a transverse web having a hole therethrough adjacent the open housing end. Also included is a shaft of rigid materia... | 01/27/1981 |
| 4044430 | Clasp for jewelry chain A clasp for jewelry chains which comprises a hook and separate keeper member, the hook and keeper members being attached to respective opposite ends of the chain. The keeper member has a curved channel segment conforming in shape to a curved segment of th... | 08/30/1977 |