Patent US3181153A successfully refreshed from Google Patents.
US2692377A
Expired / Lapsed
US
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Position plotter
Assignee: Individual
•
Filing: 1946-01-16
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Granted: 1954-10-19
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Expires: 1966-01-16
Abstract
No abstract record available.
Inventors
- 👤 Jr George A Brettell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:30
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20; G01C21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB191514379A
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US1426334A
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US1957240A
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US2088654A
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US2191730A
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US2233415A
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US2360361A
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US2280282A
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US2290553A
Cited
US2231374A
Cited
US2339750A
Cited
US2485663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |