Patent US2538027A successfully refreshed from Google Patents.
US2511525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanic's tool
Assignee: Individual
•
Filing: 1947-06-13
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Granted: 1950-06-13
•
Expires: 1967-06-13
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Bradwell
- 👤 Alfred R Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:58
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1729227A
Cited
AT20476B
Cited
FR465373A
Cited
GB123203A
Cited
US2105147A
Cited
US2118470A
Cited
US2248351A
Cited
US2286014A
Cited
US2338811A
Cited
US2482504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |