US3029109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of inflatable articles
Assignee: Individual
•
Filing: 1957-07-26
•
Granted: 1962-04-10
•
Expires: 1977-07-26
Abstract
Abstract 862,346. Inflatable cushions &c. NAIL, W. P. Oct. 6, 1958, No. 31864/58. Class 52(4). An inflatable hassock of plastic with a bottom I and top 2 joined by an annular side wall 3 has annular walls 4, 5 connecting the ends 1, 2 to restrain them against ballooning outward and dividing the hassock interior into separate cells 6, 7, 8 in communication through opening 9. In a modification the cells are separately inflatable. In another modification a chair or seat is similarly divided interiorly.
Inventors
- 👤 Walter P Nail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:56
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/54; A47C27/00; A47C27/08; A47C27/081; A47C27/087; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US492375A
Cited
US1680963A
Cited
US1965349A
Cited
FR887339A
Cited
US2355757A
Cited
US2496460A
Cited
US2603120A
Cited
US2838099A
Cited
US2751953A
Cited
US2872690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |