Patent US3020260A successfully refreshed from Google Patents.
Patent US2776560A successfully refreshed from Google Patents.
US2776560A
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Means for measuring and for generating motion
Assignee: SOUTHWESTERN IND ELECTRONICS C
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Filing: 1953-07-03
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Granted: 1957-01-08
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Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Louis W Erath
- 👤 Paul E Madeley
- 👤 Hatchl Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:34
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/18; G01V1/181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2136219A
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US2289962A
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US2533249A
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US2675222A
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US2589710A
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US2674885A
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US2657374A
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US2540796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |