US3572836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable piece of furniture
Assignee: Individual
•
Filing: 1968-11-12
•
Granted: 1971-03-30
•
Expires: 1988-11-12
Abstract
Abstract Inflatable piece of furniture comprising several gastight independent and separately dilatable elements, interconnected by means of a removable attachment device the support of which is disposed on said elements. Each element is formed of a flexible bag divided into compartments by inner membranes substantially of rectangular shape and secured inside the bag on two opposite longitudinal sides, the small sides of said membranes being free. The removable attachment device is an open ring, a strip-stud assembly, a bolt, clip or a T-shaped hook locked by a quarter turn rotation.
Inventors
- 👤 Nguyen Manh Khanh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:48
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/54; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
115 words
An inflatable piece of furniture comprising at least two gastight independent and separately dilatable elements, interconnected by mEans of a removable attachment device the support of which is disposed on said elements, each element being formed of a flexible bag divided into compartments by at least one inner membrane, substantially of rectangular shape and secured inside the bag on two opposite longitudinal sides, the small sides of said membrane being free and their periphery including a straight central region and two circular concave sections at the ends, said removable attachment device including an assembly patch welded over its entire periphery to the assembly positions on the external surface of said bags of said independent elements.
Claim 2
Dependent Claim
115 words
An inflatable piece of furniture comprising at least two gastight independent and separately dilatable elements, interconnected by mEans of a removable attachment device the support of which is disposed on said elements, each element being formed of a flexible bag divided into compartments by at least one inner membrane, substantially of rectangular shape and secured inside the bag on two opposite longitudinal sides, the small sides of said membrane being free and their periphery including a straight central region and two circular concave sections at the ends, said removable attachment device including an assembly patch welded over its entire periphery to the assembly positions on the external surface of said bags of said independent elements.
Claim 3
Dependent Claim
31 words
An inflatable piece of furniture according to claim 1 wherein said removable attachment device is further constituted by an open ring slid into two adjacent openings disposed inside said assembly patch.
Claim 4
Dependent Claim
88 words
An inflatable piece of furniture according to claim 1 in which the removable attachment device comprises, on the one hand, a support comprising a T-shaped hook fixed on the external surface of one element and, on the other hand, a complementary member fixed on the external surface of another element and in which engages the above hook which is locked by a quarter turn rotation, said complementary member having a chamber with a surface restricting the entry of said hook to less than the depth of said chamber.
References Cited (Backward Citations)
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US3220077A
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US3265438A
Cited
US3408107A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |