US2742983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake type centrifugal governor
Assignee: Unisys Corp
•
Filing: 1950-11-22
•
Granted: 1956-04-24
•
Expires: 1970-11-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederic L Baxter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:52
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/20; H02K11/21; H02K11/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US357239A
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US2244494A
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US1067454A
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US1519473A
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US1709463A
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CH173962A
Cited
US2272168A
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US2282178A
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US2489688A
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US2441811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |