Patent US3751741A successfully refreshed from Google Patents.
US3751741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeping bag
Assignee: Individual
•
Filing: 1971-06-11
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Granted: 1973-08-14
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Expires: 1991-06-11
Abstract
Abstract A sleeping bag characterized by an arrangement of components which provide compactness in a transporting condition and ease in use, typically including a kapok filled layer supported by an inflatable air mattress, a self-contained mosquito netting and protective cover, and a collapsible framework.
Inventors
- 👤 D Hendry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:21
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/08; A47G9/086; A47G2009/003; Y; Y10; Y10S; Y10S135/00; Y10S135/906
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
55 words
A sleeping bag comprising a lower inflatable portion, an upper cushioning portion disposed on said lower inflatable portion, framework members extending over said upper cushioning portion to define a sleeping space, and a stowage compartment at an end of said sleeping space, said stowage compartment receiving a folded covering member selectively overlying said framework members.
Claim 2
Dependent Claim
55 words
A sleeping bag comprising a lower inflatable portion, an upper cushioning portion disposed on said lower inflatable portion, framework members extending over said upper cushioning portion to define a sleeping space, and a stowage compartment at an end of said sleeping space, said stowage compartment receiving a folded covering member selectively overlying said framework members.
Claim 3
Dependent Claim
24 words
The sleeping bag of claim 1 where each of said framework members is flexible and defined by portions movable with respect to each other.
Claim 4
Dependent Claim
21 words
The sleeping bag of claim 2 where securing means on said upper cushioning portion engage opposite ends of said framework member.
Claim 5
Dependent Claim
12 words
The sleeping bag of claim 3 where said securing means are pockets.
Claim 6
Dependent Claim
19 words
The sleeping bag of claim 1 where a netting member is disposed within said stowage compartment for selective withdrawal.
Claim 7
Dependent Claim
23 words
The sleeping bag of claim 5 where said covering member and said netting member each have a portion secured within said stowage compartment.
Claim 8
Dependent Claim
22 words
The sleeping bag of claim 1 where the end of said sleeping space opposite from said stowage compartment includes an access opening.
Claim 9
Dependent Claim
23 words
The sleeping bag of claim 1 where said lower inflatable portion and said upper cushioning portion are unrolled from a rolled transporting position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |