Patent US2959240A successfully refreshed from Google Patents.
US2959240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geophysical prospecting apparatus
Assignee: Jersey Production Research Co
•
Filing: 1958-08-21
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Granted: 1960-11-08
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 Rudolph H Schmuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:37
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/16; G01V1/18; G01V1/181; G01V1/40; G01V1/52; G01V1/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021943A
Cited
US2438293A
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US2492794A
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US2451443A
Cited
US2590531A
Cited
US2718929A
Cited
US2786987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |