US2844239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover lock and centrifugal switch control therefor
Assignee: Individual
•
Filing: 1956-06-26
•
Granted: 1958-07-22
•
Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 George A Batson
- 👤 George A Peterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:30
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/06; H01H35/10; B; B04; B04B; B04B7/00; B04B7/02; B04B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE253898C
Cited
US2004064A
Cited
US1236529A
Cited
US1203567A
Cited
US1842560A
Cited
US2588634A
Cited
US2595930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |