US2460190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: CHARLES P PEIRCE
•
Filing: 1946-03-21
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Granted: 1949-01-25
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Expires: 1966-03-21
Abstract
No abstract record available.
Inventors
- 👤 Merlin O Petroff
- 👤 William F Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:04
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/02; G01B5/04; G11; G11B; G11B25/00; G11B25/08
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) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |