US2844828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible bed
Assignee: Individual
•
Filing: 1956-03-19
•
Granted: 1958-07-29
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Stark George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:49
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/165; A47C17/1655; A47D; A47D11/00; A47D11/005; A47D7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |