Patent US2747475A successfully refreshed from Google Patents.
US2747475A
Expired / Lapsed
US
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Road planing machines
Assignee: Individual
•
Filing: 1951-12-03
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Granted: 1956-05-29
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Expires: 1971-12-03
Abstract
No abstract record available.
Inventors
- 👤 West Frederick Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:10
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/065; E01C19/00; E01C19/02; E01C19/10; E01C19/1004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1062113A
Cited
US1952452A
Cited
US1812771A
Cited
US2015707A
Cited
US2069376A
Cited
US2159509A
Cited
US2195221A
Cited
US2397782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |