US2583153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating apparatus
Assignee: Westinghouse Electric Corp
•
Filing: 1948-12-24
•
Granted: 1952-01-22
•
Expires: 1968-12-24
Abstract
No abstract record available.
Inventors
- 👤 William O Osbon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:02
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/48; H02P5/485; Y; Y10; Y10S; Y10S388/00; Y10S388/923; Y10S388/929; Y10T; Y10T74/00; Y10T74/20; Y10T74/20006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1637245A
Cited
US2321612A
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US2285654A
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US2345765A
Cited
US2389382A
Cited
US2485186A
Cited
US2454232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |