US3368065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft instruments
Assignee: S Smith and Sons Ltd
•
Filing: 1964-05-14
•
Granted: 1968-02-06
•
Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Kendall Eric Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:52
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/04; G05D1/06; G05D1/0607; G05D1/0653; G05D1/0661; G01; G01K; G01K5/00; G01K5/32; G01K5/44; G05D1/0083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2932024A
Cited
GB921216A
Cited
GB932190A
Cited
US3128445A
Cited
US3116638A
Cited
US3077110A
Cited
US3159738A
Cited
US3111577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |