Patent US2563674A successfully refreshed from Google Patents.
US2563674A
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US
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Assignee: Individual
•
Filing: 1949-07-15
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Granted: 1951-08-07
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Expires: 1969-07-15
Abstract
No abstract record available.
Inventors
- 👤 Laurence H Coots
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:08
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/10; G01B3/1071; G01B2003/1074; G01B3/1003; G01B3/1056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US491733A
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US530111A
Cited
US825217A
Cited
US861952A
Cited
US1145244A
Cited
GB191504971A
Cited
US1224592A
Cited
US1246768A
Cited
US1690919A
Cited
US2204927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |