US2495804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoist
Assignee: FKI Industries Inc
•
Filing: 1944-03-31
•
Granted: 1950-01-31
•
Expires: 1964-03-31
Abstract
No abstract record available.
Inventors
- 👤 Wallace W Berchtold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:14
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/02; B66D1/04; B66D1/06; Y; Y10; Y10S; Y10S254/00; Y10S254/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US402688A
Cited
US1060103A
Cited
US1234475A
Cited
US1433289A
Cited
US1760514A
Cited
US2221903A
Cited
US2256982A
Cited
US2262937A
Cited
US2284532A
Cited
US2284120A
Cited
US2391172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |