US2407982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acceleration-responsive governor system
Assignee: Westinghouse Electric Corp
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Filing: 1943-09-15
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Granted: 1946-09-24
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Expires: 1963-09-15
Abstract
No abstract record available.
Inventors
- 👤 Clinton R Hanna
- 👤 Stanley J Mikina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:22
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/20; F01D17/22; F01D17/26; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/0989; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-09-23 | 1950-03-25 | 1950-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-23 | 1954-03-25 | 1954-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-23 | 1958-03-25 | 1958-09-24 | $7700.00 | Window Closed / Lapsed |