Patent US2810457A successfully refreshed from Google Patents.
Patent US3626523A successfully refreshed from Google Patents.
US3626523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed foundation and mattress assembly
Assignee: Individual
•
Filing: 1970-09-25
•
Granted: 1971-12-14
•
Expires: 1990-09-25
Abstract
Abstract AN IMPROVED BED FOUNDATION AND MATTRESS ASSEMBLY WHICH PROVIDES VARYING DEGREES OF FIRMNESS FOR SUPPORT AND COMFORT OF A HUMAN ANATOMY. THE CENTER SECTION OF THE ASSEMBLY IS STIFFENED TO PROVIDE ADDITIONAL FIRMNESS.
Inventors
- 👤 Harry J Robins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:58
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/062
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |