Patent US2529939A successfully refreshed from Google Patents.
US2529939A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1948-05-14
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Granted: 1950-11-14
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Expires: 1968-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ray C Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:24
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/56; B; B43; B43L; B43L7/00; B43L7/10; E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/18; E04G21/1891; G01B3/002; G01B3/004
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) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |