US2698931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synchronizer for indicators
Assignee: Individual
•
Filing: 1945-05-09
•
Granted: 1955-01-04
•
Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Stanley N Van Voorhis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:29
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1894019A
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US2409448A
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US2363941A
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US2471516A
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US2412669A
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US2412670A
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US2404238A
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US2552172A
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US2409456A
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US2547945A
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US2468045A
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US2480123A
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US2406751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |