US2599220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic start and stop mechanism
Assignee: CHARLES M CLARKE
•
Filing: 1946-05-18
•
Granted: 1952-06-03
•
Expires: 1966-05-18
Abstract
No abstract record available.
Inventors
- 👤 Christian N Bergmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:56
CPC Classifications
B; B67; B67C; B67C3/00; B67C3/007; B65; B65G; B65G43/00; B65G43/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1355488A
Cited
US1694928A
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US1698888A
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US1963083A
Cited
US1949964A
Cited
US1969304A
Cited
US2368738A
Cited
US2395511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |