Patent US2125731A successfully refreshed from Google Patents.
Patent US3278057A successfully refreshed from Google Patents.
US3278057A
Expired / Lapsed
US
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Handle and dipper assembly for power shovels
Assignee: Universal Marion Corp
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Filing: 1964-04-23
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Granted: 1966-10-11
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Richard L Drollinger
- 👤 Justin N Parsell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:50
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A HANGLE AND DIPPER ASSEMBLY FOR A SHOVEL APPARATUS COMPRISING A HANDLE, A DIPPER HINGEDLY CONNECTED TO SAID HANDLE, AT LEAST A FIRST LINKING MEMBER PIVOTALLY CONNECTED TO SAID HANDLE, AT LEAST A SECOND CURVED LINKING MEMBER PIVOTALLY CONNECTED TO SAID DIPPER AND SAID FIRST LINKING MEMBER, SAID CURVED LINKING MEMBER HAVING MEANS RADIALLY DISPLACED FROM THE AXIS OF THE PIVOTAL CONNECTION BETWEEN SAID FIRST LINKING MEMBER AND SAID CURVED LINKING MEMBER ENGAGEABLE WITH SAID HANDLE TO LIMIT THE ANGULAR DISPLACEMENT OF SAID DIPPER RELATIVE TO SAID HANDLE IN A FIRST DIRECTION AND SAID HANDLE MEMBER HAVING STOP MEANS ENGAGEABLE BY AT LEAST ONE OF SAID LINKING MEMBERS FOR LIMITING THE ANGULAR DISPLACEMENT OF SAID DIPPER IN A DIRECTION OPPOSITE FROM SAID FIRST DIRECTION.
Claim 2
Dependent Claim
124 words
A HANGLE AND DIPPER ASSEMBLY FOR A SHOVEL APPARATUS COMPRISING A HANDLE, A DIPPER HINGEDLY CONNECTED TO SAID HANDLE, AT LEAST A FIRST LINKING MEMBER PIVOTALLY CONNECTED TO SAID HANDLE, AT LEAST A SECOND CURVED LINKING MEMBER PIVOTALLY CONNECTED TO SAID DIPPER AND SAID FIRST LINKING MEMBER, SAID CURVED LINKING MEMBER HAVING MEANS RADIALLY DISPLACED FROM THE AXIS OF THE PIVOTAL CONNECTION BETWEEN SAID FIRST LINKING MEMBER AND SAID CURVED LINKING MEMBER ENGAGEABLE WITH SAID HANDLE TO LIMIT THE ANGULAR DISPLACEMENT OF SAID DIPPER RELATIVE TO SAID HANDLE IN A FIRST DIRECTION AND SAID HANDLE MEMBER HAVING STOP MEANS ENGAGEABLE BY AT LEAST ONE OF SAID LINKING MEMBERS FOR LIMITING THE ANGULAR DISPLACEMENT OF SAID DIPPER IN A DIRECTION OPPOSITE FROM SAID FIRST DIRECTION.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |