US3495663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated automatic slope-grade control system for motor graders
Assignee: Caterpillar Inc
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Filing: 1968-06-26
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Granted: 1970-02-17
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Expires: 1988-06-26
Abstract
No abstract record available.
Inventors
- 👤 Rolland D Scholl
- 👤 Terry W Glynn
- 👤 Russell D Page
- 👤 William R Tillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:46
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/84; E02F3/844
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |