Patent US3145031A successfully refreshed from Google Patents.
US3145031A
Expired / Lapsed
US
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Mobile tool supporting apparatus
Assignee: Individual
•
Filing: 1961-02-17
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Granted: 1964-08-18
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Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Thomas Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:47
CPC Classifications
A; A01; A01G; A01G20/00; A01G20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US418435A
Cited
US786737A
Cited
US1267896A
Cited
US1603845A
Cited
US1828248A
Cited
US2623642A
Cited
US2835503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |