Patent US2763073A successfully refreshed from Google Patents.
US2763073A
Expired / Lapsed
US
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Rock gouge attachment for bulldozer blades
Assignee: Individual
•
Filing: 1953-02-24
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Granted: 1956-09-18
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Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Manie E Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:43
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2281928A
Cited
US2322432A
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US2384957A
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US2473505A
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US2536308A
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US2497351A
Cited
US2634520A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |