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US3068596A
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Hydraulic circuit for actuation of an earthmoving scraper bowl
Assignee: Caterpillar Inc
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Filing: 1961-11-24
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Granted: 1962-12-18
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Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 Allyn J Hein
- 👤 John A Junck
- 👤 Frank H Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:21
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/651; E02F3/627; E02F3/6454; E02F3/6481; E02F3/652; F; F15; F15B; F15B11/00; F15B11/02; F15B11/024; F15B11/16; F15B13/00; F15B13/01; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/3056; F15B2211/30565; F15B2211/3058; F15B2211/31; F15B2211/3105; F15B2211/3116; F15B2211/315; F15B2211/3157; F15B2211/31576; F15B2211/31588; F15B2211/32; F15B2211/321; F15B2211/324; F15B2211/329; F15B2211/50; F15B2211/55; F15B2211/70; F15B2211/71; F15B2211/7114; F15B2211/7128; F15B2211/75; F15B2211/80; F15B2211/86; F15B2211/863; F15B2211/8636; F15B2211/865
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |