US2907620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polar plotter
Assignee: General Electric Co
•
Filing: 1954-07-30
•
Granted: 1959-10-06
•
Expires: 1974-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank W Van Luik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:56
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20; G01C21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US30528A
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US1427267A
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US1453377A
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US2450421A
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US2369922A
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US2582374A
Cited
US2546888A
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US2649781A
Cited
US2727801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |