US2644170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible seat bed with forwardturning back
Assignee: KELCON Corp
•
Filing: 1947-04-19
•
Granted: 1953-07-07
•
Expires: 1967-04-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Stephen A Kelly
- 👤 William R Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:14
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/165
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE73244C
Cited
US270827A
Cited
US437053A
Cited
US468368A
Cited
US868000A
Cited
US855412A
Cited
US1014535A
Cited
US1191323A
Cited
US1228604A
Cited
US1349162A
Cited
US2338814A
Cited
US2432572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |