US3498145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erection system for vertical gyros
Assignee: Whittaker Corp
•
Filing: 1966-11-02
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Granted: 1970-03-03
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Expires: 1986-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard B Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:19
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/44; G01C19/46; G01C19/52; F; F15; F15C; F15C1/00; F15C1/005; G01C19/04; G01C19/06; G01C19/14; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/1239; Y10T74/1286
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1518892A
Cited
US2292989A
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US2368058A
Cited
US2916918A
Cited
US3152486A
Cited
US3362233A
Cited
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 |