US3290806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controls for tandem operated earthmoving scrapers
Assignee: Caterpillar Inc
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Filing: 1964-12-02
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Granted: 1966-12-13
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Robert A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:39
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/6454; E02F3/6481; E02F3/6409; E02F3/6436; E02F3/65; E02F3/651; F; F15; F15B; F15B11/00; F15B11/16; F15B13/00; F15B13/02; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/3052; F15B2211/3056; F15B2211/30565; F15B2211/3057; F15B2211/32; F15B2211/321; F15B2211/325; F15B2211/329; F15B2211/60; F15B2211/635; F15B2211/6355; F15B2211/70; F15B2211/71; Y; Y10; Y10S; Y10S280/00; Y10S280/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN COMBINATION WITH TWO EARTHMOVING SCRAPERS CONNECTED FOR TANDEM OPERATION IN WHICH EACH SCRAPER HAS AN OPERATOR''S STATION WITH INDEPENDENT CONTROLS FOR ACTUATING ADJUSTABLE SCRAPER COMPONENTS INDEPENDENTLY OF THE OTHER SCRAPER, AUXILIARY CONTROLS AT THE OPERATOR''S STATION OF A FIRST SCRAPER FOR TANDEM OPERATION, MEANS CONNECTING THE AUXILIARY CONTROLS TO THE INDEPENDENT CONTROL OF A SECOND SCRAPER FOR ACTUATION THEREBY, MEANS CONNECTING THE AUXILIARY CONTROLS TO THE INDEPENDENT CONTROLS OF THE FIRST SCRAPPER FOR ACTUATION THEREBY, AND MEANS ENABLING SELECTIVE OPERATION OF THE AUXILIARY CONTROLS TO ADJUST SCRAPER COMPONENTS ON THE SECOND SCRAPER ONLY OR TO ADJUST SCRAPER COMPONENTS ON BOTH SCRAPER SIMULTANEOUSLY.
Claim 2
Dependent Claim
103 words
IN COMBINATION WITH TWO EARTHMOVING SCRAPERS CONNECTED FOR TANDEM OPERATION IN WHICH EACH SCRAPER HAS AN OPERATOR''S STATION WITH INDEPENDENT CONTROLS FOR ACTUATING ADJUSTABLE SCRAPER COMPONENTS INDEPENDENTLY OF THE OTHER SCRAPER, AUXILIARY CONTROLS AT THE OPERATOR''S STATION OF A FIRST SCRAPER FOR TANDEM OPERATION, MEANS CONNECTING THE AUXILIARY CONTROLS TO THE INDEPENDENT CONTROL OF A SECOND SCRAPER FOR ACTUATION THEREBY, MEANS CONNECTING THE AUXILIARY CONTROLS TO THE INDEPENDENT CONTROLS OF THE FIRST SCRAPPER FOR ACTUATION THEREBY, AND MEANS ENABLING SELECTIVE OPERATION OF THE AUXILIARY CONTROLS TO ADJUST SCRAPER COMPONENTS ON THE SECOND SCRAPER ONLY OR TO ADJUST SCRAPER COMPONENTS ON BOTH SCRAPER SIMULTANEOUSLY.
References Cited (Backward Citations)
US3170715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |