US3497950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilt-sensitive devices
Assignee: BAC AND BRITISH AEROSPACE
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Filing: 1967-09-28
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Granted: 1970-03-03
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Expires: 1987-09-28
Abstract
No abstract record available.
Inventors
- 👤 Allan Maurice Squire
- 👤 Donald Fulton Alexa Maclachlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:17
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T29/49117; Y10T29/49169; Y10T29/4998; Y10T29/49993
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |