Patent US3130014A successfully refreshed from Google Patents.
US3130014A
Expired / Lapsed
US
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Contacting apparatus
Assignee: Standard Oil Co
•
Filing: 1961-07-25
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Granted: 1964-04-21
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Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Emmanuel J Stanton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:54
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/50; B01F23/56; B01F27/00; B01F27/80; B01F27/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US579039A
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US2195408A
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US2527750A
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US2584910A
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US2767847A
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US2760850A
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US2768987A
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US2901331A
Cited
US2871108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |