Patent US5586171A successfully refreshed from Google Patents.
US2908918A
Expired / Lapsed
US
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Bed frame
Assignee: No Sag Spring Co
•
Filing: 1957-05-15
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Granted: 1959-10-20
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Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry Hopkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:32
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/12; A47C23/16; Y; Y10; Y10S; Y10S5/00; Y10S5/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US249468A
Cited
US1431976A
Cited
US1684851A
Cited
US1836354A
Cited
US2568148A
Cited
US2744806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |