US3406778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic wave source for use at marine locations
Assignee: ExxonMobil Upstream Research Co
•
Filing: 1967-07-28
•
Granted: 1968-10-22
•
Expires: 1987-07-28
Abstract
No abstract record available.
Inventors
- 👤 Barry Adelbert
- 👤 Franklin L Chalmers
- 👤 John B Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:55
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/104; G01V1/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2558089A
Cited
US3176787A
Cited
US3235027A
Cited
US3159233A
Cited
US3280938A
Cited
US3301345A
Cited
US3347336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |