US2636968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waiter
Assignee: —
•
Filing: —
•
Granted: 1953-04-28
•
Expires: 1970-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:28
CPC Classifications
B; B62; B62D; B62D27/00; B62D27/02; B62D27/023; B61; B61D; B61D17/00; B61D17/04; B61D17/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49867
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE16276E
Cited
US1541513A
Cited
US1617114A
Cited
US2016380A
Cited
US2073684A
Cited
US2190621A
Cited
US2209909A
Cited
US2175071A
Cited
US2257084A
Cited
US2324435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |