US3405676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam propulsion control system
Assignee: Westinghouse Electric Corp
•
Filing: 1966-04-06
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Granted: 1968-10-15
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Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Milton M Hobbs
- 👤 Leaman B Podolsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:50
CPC Classifications
F; F01; F01K; F01K15/00; F01K15/02; F01K15/04; F01K15/045; B; B63; B63H; B63H21/00; B63H21/02; B63H21/06; B63H21/21; B63H21/213; B63H21/22; B63H23/00; B63H23/02; B63H23/10; B63H23/12; B63H23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3163813A
Cited
US2842108A
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US3024395A
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DE1182900B
Cited
US3295320A
Cited
US3274443A
Cited
US3302089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |