US2769121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical instruments
Assignee: MCDERMOTT CONTROLS Inc
•
Filing: 1953-08-13
•
Granted: 1956-10-30
•
Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Rogoff Mortimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/24; G01F23/246; G01F23/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307576A
Cited
US2021491A
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US2359334A
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US2482820A
Cited
US2468676A
Cited
US2533286A
Cited
US2543588A
Cited
US2580182A
Cited
GB673143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |