US3508445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic suspension accelerometer
Assignee: RTX Corp
•
Filing: 1967-08-07
•
Granted: 1970-04-28
•
Expires: 1987-08-07
Abstract
No abstract record available.
Inventors
- 👤 Albert W Penney Jr
- 👤 Ernest P Gagnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:50
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/18; G01P15/02; G01P15/08; G01P15/13; G01P15/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3261210A
Cited
US3307884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |