Patent US3202306A successfully refreshed from Google Patents.
US3202306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grab bucket
Assignee: YUMBO
•
Filing: 1963-07-31
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Granted: 1965-08-24
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Bienaime Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:23
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/413; E02F3/4135; B; B66; B66C; B66C3/00; B66C3/14; B66C3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A GRAB BUCKET COMPRISING A FLUID MOTOR STRUCTURE HAVING A SUBSTANTIALLY VERTICAL FIXED ROD-PISTON MEANS AND A CYLINDER SHAPED SLIDING MOVABLE ASSEMBLY, SAID RODPISTON MEANS COMPRISING A PISTON HAVING A LOWER FACE AND AN UPPER FACE AND A ROD PROTRUDING UPWARDLY FROM SAID UPPER FACE, MEANS AT THE UPPER END OF SAID ROD FOR SUSPENDING THE LATTER, SAID ROD-PISTON MEANS ALSO INCLUDING FLUID SUPPLY DUCT MEANS OPENING ON SAID LOWER FACE AND IN THE VICINITY OF SAID UPPER FACE RESPECTIVELY, SAID CYLINDER SHAPED SLIDING MOVABLE ASSEMBLY HAVING AN UPPER END PROVIDED WITH AN AXIAL OPENING FOR THE PASSAGE OF SAID ROD AND A CLOSED LOWER END, A FRAME STRUCTURE ROTATABLY MOUNTEDON SAID ROD IN THE VICNITY OF THE UPPER END THEREOF, THEAXIS OF ROTATION OF SAID FRAME STRUCTURE BEING COINCIDENT WITH THE AXIS OF THE ROD, SAID FRAME STRUCTURE AND SAID SLIDING MOVABLE ASSEMBLY BOTH INCLUDING GUIDE MEANS ADAPTED TO COOPERATE WITH EACH OTHER DURING THE MOTION OF SAID SLIDING MOVABLE ASSEMBLY, SHELLS ARTICULATED ON SAID FRAME STRUCTURE, AND LINK MEANS PIVOTALLY CONNECTED WITH SAID SLIDING MOVABLE ASSEMLBY AND WITH SAID SHELLS WHEREBY THE MOTION OF SAID SLIDING MOVABLE ASSEMBLY CAUSES THE OPENING AND CLOSING OF SAID SHELLS.
Claim 2
Dependent Claim
198 words
A GRAB BUCKET COMPRISING A FLUID MOTOR STRUCTURE HAVING A SUBSTANTIALLY VERTICAL FIXED ROD-PISTON MEANS AND A CYLINDER SHAPED SLIDING MOVABLE ASSEMBLY, SAID RODPISTON MEANS COMPRISING A PISTON HAVING A LOWER FACE AND AN UPPER FACE AND A ROD PROTRUDING UPWARDLY FROM SAID UPPER FACE, MEANS AT THE UPPER END OF SAID ROD FOR SUSPENDING THE LATTER, SAID ROD-PISTON MEANS ALSO INCLUDING FLUID SUPPLY DUCT MEANS OPENING ON SAID LOWER FACE AND IN THE VICINITY OF SAID UPPER FACE RESPECTIVELY, SAID CYLINDER SHAPED SLIDING MOVABLE ASSEMBLY HAVING AN UPPER END PROVIDED WITH AN AXIAL OPENING FOR THE PASSAGE OF SAID ROD AND A CLOSED LOWER END, A FRAME STRUCTURE ROTATABLY MOUNTEDON SAID ROD IN THE VICNITY OF THE UPPER END THEREOF, THEAXIS OF ROTATION OF SAID FRAME STRUCTURE BEING COINCIDENT WITH THE AXIS OF THE ROD, SAID FRAME STRUCTURE AND SAID SLIDING MOVABLE ASSEMBLY BOTH INCLUDING GUIDE MEANS ADAPTED TO COOPERATE WITH EACH OTHER DURING THE MOTION OF SAID SLIDING MOVABLE ASSEMBLY, SHELLS ARTICULATED ON SAID FRAME STRUCTURE, AND LINK MEANS PIVOTALLY CONNECTED WITH SAID SLIDING MOVABLE ASSEMLBY AND WITH SAID SHELLS WHEREBY THE MOTION OF SAID SLIDING MOVABLE ASSEMBLY CAUSES THE OPENING AND CLOSING OF SAID SHELLS.
References Cited (Backward Citations)
US1236418A
Cited
US2702137A
Cited
US2689661A
Cited
US2889643A
Cited
US3055521A
Cited
US3109545A
Cited
US3080988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |