US3389924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turnbuckle
Assignee: Lockheed Martin Corp
•
Filing: 1965-11-10
•
Granted: 1968-06-25
•
Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bush
- 👤 William C Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:35
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10T; Y10T403/00; Y10T403/20; Y10T403/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US645810A
Cited
US1490091A
Cited
US2227609A
Cited
US2376037A
Cited
US3073155A
Cited
US3121328A
Cited
US3240057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |