Patent US2742707A successfully refreshed from Google Patents.
US2742707A
Expired / Lapsed
US
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Electrical device for measuring angles
Assignee: Bee Line Co
•
Filing: 1951-03-12
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Granted: 1956-04-24
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Expires: 1971-03-12
Abstract
No abstract record available.
Inventors
- 👤 Le Roy V Jacobsen
- 👤 Forrest G Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:10
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US470942A
Cited
US1342594A
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US1955746A
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US2023748A
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US2120771A
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US2137485A
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US2202987A
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US2256833A
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DE726809C
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FR912493A
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US2533686A
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US2511525A
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US2611188A
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US2492727A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |