Patent US2567942A successfully refreshed from Google Patents.
US2567942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct arithmetical reading of target angle values
Assignee: Individual
•
Filing: 1946-07-01
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Granted: 1951-09-18
•
Expires: 1966-07-01
Abstract
No abstract record available.
Inventors
- 👤 Kass Sholom
- 👤 Amboy Perth
- 👤 Sperling Jacob George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:57
CPC Classifications
H; H03; H03K; H03K21/00; G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1323381A
Cited
US425581A
Cited
US750086A
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US1865553A
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US1371138A
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US473113A
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US637109A
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US809378A
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US1054398A
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US2239460A
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US2326219A
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US2392467A
Cited
US2395351A
Cited
US2420808A
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US2403562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |