US3191324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade stabilizer for motor grader
Assignee: Caterpillar Inc
•
Filing: 1963-06-13
•
Granted: 1965-06-29
•
Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Beyers
- 👤 John W Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:47
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1968412A
Cited
US2321833A
Cited
US2511123A
Cited
US2718312A
Cited
US2933838A
Cited
SU135897A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |