US3061955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sloping attachment for road grader blade
Assignee: GLEN A VIOLETTE
•
Filing: 1961-05-05
•
Granted: 1962-11-06
•
Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Roy L Violette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:40
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1454757A
Cited
US1586230A
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US1817523A
Cited
US1913883A
Cited
US1871473A
Cited
US2948973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |