U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 172/249 - Plural simultaneously usable tools to single tool


Subclass of Class 172 - Earth working
Definition: Apparatus which is changeable between a condition in which
No. of patents: 4
Last issue date: 09/19/1995


NumberTitleIssue Date
5450910Snow thrower to lawn care conversion apparatus
An apparatus is provided for a snow thrower which has a motor, a wheeled support for the motor, an auger, and a support for the auger. The apparatus converts the snow thrower to a lawn care apparatus. The apparatus includes a pair of lock assemblies conne...
09/19/1995
5251704Detachable harrow sprayer
There is disclosed a new and improved rearwardly folding combination harrow sprayer drawbar. A plurality of quick detach harrow arms are adapted to be quickly connected and disconnected to a plurality of harrow arm receivers. The implement can be used for...
10/12/1993
4512090Excavator bucket with retractable scraper and scarifier
A backhoe is provided with a retractable scraper and scarifier. The backhoe excavator bucket includes a stationary first mounting plate and a second plate pivotally mounted thereon for rotational movement with respect thereto and which carries a scarifier...
04/23/1985
3942271Backhoe attachment
A housing having a V-shaped cross-section is adapted to be positioned over the teeth of a backhoe bucket. An earth moving blade is secured to the lowermost portion of the housing. Lugs are secured to the inside surfaces of adjoining teeth of the backhoe b...
03/09/1976
 
Sign InRegister
Username  
Password   
forgot password?