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US3842454A Expired / Lapsed US ⏱️ 0.0 years remaining

Sleeping bag

Assignee: INSTITUTE FOR SOCIAL AND SCIENTIFIC DEVELOPMENT 376 EAST 400 SOUTH NO 315 SALT LAKE CITY UTAH 84111 A CORP OF UTAH
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Filing: 1972-11-10
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Granted: 1974-10-22
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Expires: 1992-11-10
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Abstract

Abstract A sleeping bag comprises a rigid frame having a lower component extending around the periphery of the bag and an upper component and biased upwardly therefrom and upper and lower covers detachably secured to the frame components to form a bag normally opened at one end between the upper and lower frame components.

Inventors

  • 👤 J Young

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 00:47
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/08; A47G9/086

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 130 words
A sleeping bag comprising: a frame having a lower rigid frame member comprising a rod extending substantially entirely around the periphery of the bag and an upper frame member comprising a rigid rod having opposite ends secured adjacent opposite sides respectively of the lower member, a pair of spring members attached along opposite sides of the lower member and secured adjacent the ends of the upper member for biasing the upper member upwardly apart from the lower member, and a cover comprising upper and lower covers the lower cover attached substantially along the lower frame member and the upper cover attached along the upper frame member to form a bag normally opened at one end between said upper and lower frame member and closed by urging the upper member downwardly.
Claim 2
Dependent Claim 130 words
A sleeping bag comprising: a frame having a lower rigid frame member comprising a rod extending substantially entirely around the periphery of the bag and an upper frame member comprising a rigid rod having opposite ends secured adjacent opposite sides respectively of the lower member, a pair of spring members attached along opposite sides of the lower member and secured adjacent the ends of the upper member for biasing the upper member upwardly apart from the lower member, and a cover comprising upper and lower covers the lower cover attached substantially along the lower frame member and the upper cover attached along the upper frame member to form a bag normally opened at one end between said upper and lower frame member and closed by urging the upper member downwardly.
Claim 3
Dependent Claim 23 words
The bag of claim 1 wherein the cover comprise a fabric like material having disengageable means for being secured along the frame members.
Claim 4
Dependent Claim 16 words
The bag of claim 1 including hinges along said lower frame member for folding the bag.
Claim 5
Dependent Claim 18 words
The bag of claim 1 including means for securing the upper frame member downwardly in a closed position.

References Cited (Backward Citations)

US1502608A Cited
US1887108A Cited
US2671427A Cited
US2854948A Cited
US3565040A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-21 1978-04-22 1978-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-21 1982-04-22 1982-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-21 1986-04-22 1986-10-22 $7700.00 Window Closed / Lapsed

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