Patent US3302316A successfully refreshed from Google Patents.
US3302316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraper bowl for earth moving equipment
Assignee: WE MARTIN Co
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Filing: 1964-01-30
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Granted: 1967-02-07
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 William E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:45
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/6409; E02F3/651
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN AN EARTH MOVING SCRAPER FOR A MOTORGRADER COMPRISING, IN COMBINATION, A SCRAPER BOWL, A STRUCTURAL MEMBER ON SAID MOTORGRADER, SUPPORT MEANS MOUNTED ON SAID STRUCTURAL MEMBER AND CONNECTED WITH SAID BOWL, A HITCH ON SAID BOWL AND FURTHER BOWL SUPPORT MEANS HAVING COACTING UNIVERSAL COUPLING MEMBERS MOUNTED IN A GIVEN FIXED OPERATIVE RELATION UPON SAID STRUCTURAL MEMBER INCLUDING ADJUSTABLE POSITIONING MECHANISM INTERPOSED BETWEEN SAID COUPLING MEMBERS AND THEHITCH OF SAID BOWL, SAID ADJUSTABLE POSITIONING MECHANISM COMPRISING COOPERATIVE BOWL SUPPORTING BRACKET ELEMENTS, ONE OF SAID BRACKET ELEMENTS BEING CONNECTED WITH ONE OF SAID COUPLING MEMBERS AND THE OTHER OF SAID BRACKET ELEMENTS BEING CONNECTED WITH SAID BOWL HITCH AND RELEASABLE ATTACHMENT MEANS ARE PROVIDED TO FIXEDLY SECURE THE AFORESAID BRACKET ELEMENTS TOGETHER IN A GIVEN SELECTED RELATION WITH RESPECT TO EACH OTHER TO SUSPEND THE CONNECTED BOWL IN A PREDETERMINED ADJUSTED BUT FREELY SWINGABLE RELATION TO SAID STRUCTURAL MEMBER FROM SAID COUPLING MEMBERS.
Claim 2
Dependent Claim
153 words
IN AN EARTH MOVING SCRAPER FOR A MOTORGRADER COMPRISING, IN COMBINATION, A SCRAPER BOWL, A STRUCTURAL MEMBER ON SAID MOTORGRADER, SUPPORT MEANS MOUNTED ON SAID STRUCTURAL MEMBER AND CONNECTED WITH SAID BOWL, A HITCH ON SAID BOWL AND FURTHER BOWL SUPPORT MEANS HAVING COACTING UNIVERSAL COUPLING MEMBERS MOUNTED IN A GIVEN FIXED OPERATIVE RELATION UPON SAID STRUCTURAL MEMBER INCLUDING ADJUSTABLE POSITIONING MECHANISM INTERPOSED BETWEEN SAID COUPLING MEMBERS AND THEHITCH OF SAID BOWL, SAID ADJUSTABLE POSITIONING MECHANISM COMPRISING COOPERATIVE BOWL SUPPORTING BRACKET ELEMENTS, ONE OF SAID BRACKET ELEMENTS BEING CONNECTED WITH ONE OF SAID COUPLING MEMBERS AND THE OTHER OF SAID BRACKET ELEMENTS BEING CONNECTED WITH SAID BOWL HITCH AND RELEASABLE ATTACHMENT MEANS ARE PROVIDED TO FIXEDLY SECURE THE AFORESAID BRACKET ELEMENTS TOGETHER IN A GIVEN SELECTED RELATION WITH RESPECT TO EACH OTHER TO SUSPEND THE CONNECTED BOWL IN A PREDETERMINED ADJUSTED BUT FREELY SWINGABLE RELATION TO SAID STRUCTURAL MEMBER FROM SAID COUPLING MEMBERS.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |