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

Ambulatory sleeping bag

Patent 4507805 Issued on April 2, 1985. Estimated Expiration Date: Icon_subject December 15, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2469700

2497167

2598462

2611131

2744253

2915758

2967306

3837006

3924273

Knapsack-parka sleeping bag
Patent #: 4103377
Issued on: 08/01/1978
Inventor: Mayer ,   et al.

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Inventor

Application

No. 06/562034 filed on 12/15/1983

US Classes:

2/69.5, Bag type2/86, Convertible to bifurcated2/94, Hunters' and special-article carrying5/413RSLEEPING BAG

Examiners

Primary: Schroeder, Werner H.
Assistant: Ellis, Mary A.

Attorney, Agent or Firm

International Classes

A41D 15/04 (20060101)
A41D 15/00 (20060101)
A47G 9/00 (20060101)
A47G 9/08 (20060101)

Abstract

A convertible sleeping bag for use as a sleeping bag and an ambulatory garment having integral upper torso and lower torso portions, the upper torso portion having a front and back and at least two closeable openings, each having two sides when open and extending generally vertically of the bag and provided with closure elements on each side of the opening which can selectively open each vertical opening and engage another vertical opening closure element so as to be capable of closing each vertical opening to form at least one separate closed arm shaped portion in the upper torso portion; and the lower torso portion having at least two closeable openings, each having two sides when open and extending vertically of the bag and provided with closure elements on each side of the opening which can selectively open each vertical opening and engage the other open vertical opening closure element to close each vertical opening in a manner to leave an opening from the front to the back of the sleeping bag while forming two closed generally leg shaped portions in the lower torso portion of the sleeping bag; and at least two separate closeable openings each at the lower extremities of the leg shaped portions for receiving each of the feet of the user of the sleeping bag.

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