Patent US2850629A successfully refreshed from Google Patents.
US2850629A
Expired / Lapsed
US
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Sweep generator
Assignee: General Dynamics Corp
•
Filing: 1955-08-01
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Granted: 1958-09-02
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Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 David L Tobias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:20
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/10; G01S7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2265290A
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US2266516A
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US2188611A
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US2389025A
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US2431766A
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US2414486A
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US2492018A
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US2596167A
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US2720646A
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US2569164A
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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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |