US3397755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic seismic source
Assignee: Mobil Oil AS
•
Filing: 1966-03-14
•
Granted: 1968-08-20
•
Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 George B Loper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:30
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/133; G01V1/137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1789209A
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US2846019A
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US3058540A
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US3039439A
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US3176787A
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US3249177A
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US3289784A
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US3310128A
Cited
US3276534A
Cited
US3322232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |