US2767410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress with foot hold
Assignee: Individual
•
Filing: 1953-05-25
•
Granted: 1956-10-23
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Carl F Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:57
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/142; A47C27/146; A47C20/00; A47C20/02; A47C20/021; A47C20/022; A47C27/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE355616C
Cited
US1548728A
Cited
US1972673A
Cited
US2244435A
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US2324619A
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US2570736A
Cited
US2478497A
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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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |