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US2758382A
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Assignee: TRIO PRODUCTION CO
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Filing: 1953-04-17
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Granted: 1956-08-14
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Expires: 1973-04-17
Abstract
No abstract record available.
Inventors
- 👤 Hubert O Hurd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:59
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/08; G01B5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2718706A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |