Patent US2632954A successfully refreshed from Google Patents.
US2632954A
Expired / Lapsed
US
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Precision grade board and accessories
Assignee: Individual
•
Filing: 1947-02-11
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Granted: 1953-03-31
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Expires: 1967-02-11
Abstract
No abstract record available.
Inventors
- 👤 Morton W Lieberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:54
CPC Classifications
G; G01; G01C; G01C1/00; F; F16; F16L; F16L1/00; F16L1/024; F16L1/06; F16L1/10
Claims Analysis
Total Claims: 0
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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) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |