US2900646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Davenport bed
Assignee: Seng Co
•
Filing: 1956-01-04
•
Granted: 1959-08-25
•
Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:06
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/22; A47C17/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1216882A
Cited
US2544132A
Cited
GB682925A
Cited
US2584146A
Cited
US2721337A
Cited
US2740132A
Cited
US2770814A
Cited
US2729829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |