US2002372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration velocity measuring device
Assignee: General Electric Co
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Filing: 1933-08-23
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Granted: 1935-05-21
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Expires: 1953-08-23
Abstract
No abstract record available.
Inventors
- 👤 Charles D Greentree
- 👤 Jr Milton S Mead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
G; G01; G01H; G01H3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-05-20 | 1938-11-19 | 1939-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-20 | 1942-11-19 | 1943-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-20 | 1946-11-19 | 1947-05-21 | $7700.00 | Window Closed / Lapsed |