Patent US3070109A successfully refreshed from Google Patents.
US3070109A
Expired / Lapsed
US
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Control system for pumping engines
Assignee: Individual
•
Filing: 1959-01-26
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Granted: 1962-12-25
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Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Crandall Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:50
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B67D7/3245; B67D7/3272; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1654; Y10T137/1797; Y10T137/1804; Y10T137/1819; Y10T137/1834; Y10T137/402
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US269199A
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US795840A
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US1187636A
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US1151764A
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US1237957A
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DE573158C
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DE702482C
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US2714290A
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US2706025A
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US2863469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |