US2504644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accelerometer
Assignee: Individual
•
Filing: 1945-02-01
•
Granted: 1950-04-18
•
Expires: 1965-02-01
Abstract
No abstract record available.
Inventors
- 👤 John G Burmist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:03
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/03; G01P15/032
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2320505A
Cited
FR405763A
Cited
US2159778A
Cited
CH198865A
Cited
US2231957A
Cited
US2346798A
Cited
US2262007A
Cited
US2262008A
Cited
US2332994A
Cited
US2317028A
Cited
US2377212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |