Patent US2900729A successfully refreshed from Google Patents.
US2900729A
Expired / Lapsed
US
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Combined level and measuring tool
Assignee: Individual
•
Filing: 1956-11-28
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Granted: 1959-08-25
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Expires: 1976-11-28
Abstract
No abstract record available.
Inventors
- 👤 James V Basile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:52
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/18; G01C9/24; G01C9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426001A
Cited
US659513A
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US842806A
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US877934A
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US894498A
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US1039891A
Cited
US1509703A
Cited
US2700826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |