US3140000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backhoe
Assignee: Ware Machine Works Inc
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Filing: 1963-03-07
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Granted: 1964-07-07
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 John S Pilch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:50
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A BOOM, A DIPPER STICK PIVOTALLY CONNECTED INTERMEDIATE ITS ENDS TO SAID BOOM, SAID DIPPER STICK COMPRISING A SOCKET MEMBER PIVOTALLY CONNECTED TO SAID BOOM, HYDRAULIC MEANS PIVOTALLY CONNECTED TO SAID SOCKET MEMBER FOR PIVOTING SAID MEMBER RELATIVE TO SAID BOOM, SAID SOCKET MEMBER HAVING AN ANGULAR SUPPORTING SECTION, A SLIDABLE BUCKET SUPPORTING STICK SLIDABLY MOUNTED IN SAID SOCKET MEMBER, SAID SOCKET MEMBER AND BUCKET SUPPORTING STICK HAVING COMATING ANGULAR COEXTENSIVE PORTIONS TO PREVENT TURNING MOVEMENT OF SAID BUCKET SUPPORTING STICK, SAID BUCKET SUPPORTING STICK HAVING A BUCKET PIVOTALLY CONNECTED THERETO ADJACENT THE END OPPOSITE THE END IN SAID SOCKET MEMBER, HYDRAULIC MEANS CARRIED BY SAID BUCKET SUPPORTING STICK TO EFFECT ROTATION OF SAID BUCKET RELATIVE TO SAID BUCKET SUPPORTING STICK, SAID HYDRAULIC MEANS COMPRISING A SUPPORT AND A CYLINDER PIVOTALLY CONNECTED TO SAID SUPPORT, A RAM OPERATIVELY CONNECTED TO SAID CYLINDER, A LINK PIVOTALLY CONNECTED TO SAID BUCKET AND SAID RAM ADJACENT ITS OPPOSITE ENDS, AND A SECOND LINK PIVOTALLY CONNECTED TO SAID BUCKET SUPPORTING STICK, SAID SOCKET MEMBER HAVING A LONGITUDINAL SLOT IN ONE FACE THEREOF AND A MEMBER CLOSING SAID SLOT AFTER THE ASSEMBLY OF SAID SUPPORT FOR SAID BUCKET ROTATING CYLINDER.
Claim 2
Dependent Claim
202 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A BOOM, A DIPPER STICK PIVOTALLY CONNECTED INTERMEDIATE ITS ENDS TO SAID BOOM, SAID DIPPER STICK COMPRISING A SOCKET MEMBER PIVOTALLY CONNECTED TO SAID BOOM, HYDRAULIC MEANS PIVOTALLY CONNECTED TO SAID SOCKET MEMBER FOR PIVOTING SAID MEMBER RELATIVE TO SAID BOOM, SAID SOCKET MEMBER HAVING AN ANGULAR SUPPORTING SECTION, A SLIDABLE BUCKET SUPPORTING STICK SLIDABLY MOUNTED IN SAID SOCKET MEMBER, SAID SOCKET MEMBER AND BUCKET SUPPORTING STICK HAVING COMATING ANGULAR COEXTENSIVE PORTIONS TO PREVENT TURNING MOVEMENT OF SAID BUCKET SUPPORTING STICK, SAID BUCKET SUPPORTING STICK HAVING A BUCKET PIVOTALLY CONNECTED THERETO ADJACENT THE END OPPOSITE THE END IN SAID SOCKET MEMBER, HYDRAULIC MEANS CARRIED BY SAID BUCKET SUPPORTING STICK TO EFFECT ROTATION OF SAID BUCKET RELATIVE TO SAID BUCKET SUPPORTING STICK, SAID HYDRAULIC MEANS COMPRISING A SUPPORT AND A CYLINDER PIVOTALLY CONNECTED TO SAID SUPPORT, A RAM OPERATIVELY CONNECTED TO SAID CYLINDER, A LINK PIVOTALLY CONNECTED TO SAID BUCKET AND SAID RAM ADJACENT ITS OPPOSITE ENDS, AND A SECOND LINK PIVOTALLY CONNECTED TO SAID BUCKET SUPPORTING STICK, SAID SOCKET MEMBER HAVING A LONGITUDINAL SLOT IN ONE FACE THEREOF AND A MEMBER CLOSING SAID SLOT AFTER THE ASSEMBLY OF SAID SUPPORT FOR SAID BUCKET ROTATING CYLINDER.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |