US2916724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave transmission system
Assignee: United Geophysical Corp
•
Filing: 1953-04-17
•
Granted: 1959-12-08
•
Expires: 1973-04-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:34
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/1638; G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G01V1/364; G01V2210/00; G01V2210/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2406353A
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US2558868A
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US2638402A
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US2620890A
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US2672944A
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US2628689A
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US2882988A
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US2794965A
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US2757357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |