US3405462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: General Precision Systems Inc
•
Filing: 1966-06-21
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Granted: 1968-10-15
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Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 George M Belva
- 👤 Richard F Kilburn
- 👤 Silva Anibal J Da
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:33
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B27/00; G09B27/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2340023A
Cited
US2431847A
Cited
US2694859A
Cited
US3003257A
Cited
US3058239A
Cited
US3070792A
Cited
US2957252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |