US2677733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trip-controlled electric contact breaker governor
Assignee: Individual
•
Filing: 1949-08-05
•
Granted: 1954-05-04
•
Expires: 1969-08-05
Abstract
No abstract record available.
Inventors
- 👤 Richard S Haley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:31
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US877175A
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US910414A
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US1162361A
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US1117361A
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US1250290A
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US1284604A
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US1384730A
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US2111284A
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US2206503A
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US2211466A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |