US2807030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Davenport bed
Assignee: Seng Co
•
Filing: 1953-05-18
•
Granted: 1957-09-24
•
Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:07
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/22; A47C17/23; A47C17/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1179103A
Cited
US1127874A
Cited
US1218748A
Cited
US2345624A
Cited
US2582904A
Cited
US2576062A
Cited
US2642583A
Cited
US2634428A
Cited
US2676335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |