US3065967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Del Mar Engineering Laboratories
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Filing: 1960-06-20
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Granted: 1962-11-27
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Michael W Humphrey
- 👤 Donald M Jones
- 👤 Harold W Seyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:11
CPC Classifications
F; F42; F42B; F42B4/00; F42B4/24; B; B64; B64D; B64D5/00; F41; F41J; F41J9/00; F41J9/08; F41J9/10; F42B4/06; F42B4/14; G; G08; G08B; G08B5/00; G08B5/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2923930A
Cited
US2334552A
Cited
US2945222A
Cited
US2831967A
Cited
US2959416A
Cited
US2927793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |