US3030574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position indicator
Assignee: Westinghouse Electric Corp
•
Filing: 1957-02-26
•
Granted: 1962-04-17
•
Expires: 1977-02-26
Abstract
No abstract record available.
Inventors
- 👤 Phineas S Nissenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/142; G01D5/145; G01B; G01B7/00; G01B7/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369909A
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DE737882C
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FR878495A
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US2428234A
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US2569106A
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US2543843A
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US2782365A
Cited
US2627119A
Cited
US2802185A
Cited
US2916690A
Cited
US2810880A
Cited
US2782376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |