Patent US3583008A successfully refreshed from Google Patents.
US3583008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compartmented bag having selective inflation controls
Assignee: Individual
•
Filing: 1969-02-26
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Granted: 1971-06-08
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Expires: 1989-02-26
Abstract
Abstract AN AIR CUSHION OR MATTRESS, ALSO ADAPTABLE AS A LIFE PRESERVER, HAS A BAG SO PARTITIONED AS TO PRESENT A PLURALITY OF INFLATABLE COMPARTMENTS AND A CORRESPONDING NUMBER OF AIR PUMPING BULBS, ALL SUITABLY VALVED SO AS TO PERMIT USER CONTROL OF THE AMOUNT OF AIR IN EACH COMPARTMENT.
Inventors
- 👤 Robert J Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:07
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/40; A47C7/42; A47C7/425; A47C27/00; A47C27/08; A47C27/081; A47C27/10; A47C4/00; A47C4/54; A47C7/02; A47C7/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |