US2634610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acceleration-compensated system
Assignee: Stanolind Oil and Gas Co
•
Filing: 1949-12-19
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Granted: 1953-04-14
•
Expires: 1969-12-19
Abstract
No abstract record available.
Inventors
- 👤 Silverman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:14
CPC Classifications
G; G01; G01V; G01V7/00; G01V7/16; Y; Y10; Y10S; Y10S367/00; Y10S367/902; Y10S73/00; Y10S73/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |