US3139786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Lockheed Martin Corp
•
Filing: 1958-01-06
•
Granted: 1964-07-07
•
Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 Richard D Ardell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US752669A
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US1892119A
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US1867251A
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US2184252A
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US2263198A
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US2358728A
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US2342170A
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US2397076A
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US2697873A
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US2773533A
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GB780018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |