Patent US3012243A successfully refreshed from Google Patents.
US3012243A
Expired / Lapsed
US
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Collision preventing system
Assignee: Individual
•
Filing: 1958-12-29
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Granted: 1961-12-05
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Nelli Pierre
- 👤 Pugnet Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:15
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US784393A
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US894318A
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US1638417A
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US1802643A
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US1983079A
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US2528543A
Cited
US2532919A
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US2575342A
Cited
US2782400A
Cited
US2855585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |