US2638335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonded wire strain-gauge accelerometer
Assignee: Individual
•
Filing: 1950-03-01
•
Granted: 1953-05-12
•
Expires: 1970-03-01
Abstract
No abstract record available.
Inventors
- 👤 Erwin W Kammer
- 👤 Vigness Irwin
- 👤 Sherwood G Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:47
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/12; G01P15/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2435231A
Cited
US2477026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |