US2482233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teleseismic detecting, signaling, and recording
Assignee: DIAMOND INSTR Co
•
Filing: 1946-03-28
•
Granted: 1949-09-20
•
Expires: 1966-03-28
Abstract
No abstract record available.
Inventors
- 👤 Roger L Arringdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1579877A
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US1951358A
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US2055476A
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US2074043A
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US2184313A
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US2276423A
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US2267356A
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US2328222A
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US2390328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |