US3123240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
macalpine
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:17
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/46; E02F3/47; E21; E21D; E21D1/00; E21D1/03; E21D1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A PORTABLE EXCAVATING MACHINE COMPRISING AN ELONGATED FRAME HAVING SIDE MEMBERS AND CROSS MEMBERS, A SECOND FRAME MOUNTED FOR LONGITUDINAL MOVEMENT WITHIN SAID ELONGATED FRAME OF A WIDTH LESS THAN THAT OF SAID ELONGATED FRAME DEFINING A SPACE BETWEEN SAID SECOND FRAME AND A SIDE OF SAID ELONGATED FRAME, A MUCKING MACHINE MOUNTED ON SAID SECOND FRAME AND ADAPTED FOR UNIVERSAL MOVEMENT IN RELATION THERETO, MEANS FOR MOVING SAID SECOND FRAME LONGITUDINALLY WITH RESPECT TO SAID ELONGATED FRAME, SKIP HOISTING MEANS EXTENDING LONGITUDINALLY THROUGH SAID SPACE BETWEEN SAID SECOND FRAME AND SAID SIDE OF SAID ELONGATED FRAME, A CROSSHEAD RELEASABLY SECURABLE TO A CROSS MEMBER OF SAID ELONGATED FRAME, A SKIP CARRIED BY SAID SKIP HOISTING MEANS BELOW SAID CROSSHEAD, MEANS FOR RELEASABLY SECURING SAID SKIP TO SAID CROSSHEAD, MEANS IN THE UPPER PART OF SAID ELONGATED FRAME FOR UPSETTING SAID SKIP, AND MEANS FOR PIVOTALLY CONNECTING SAID ELONGATED FRAME TO A TRANSPORTABLE CARRIER.
Claim 2
Dependent Claim
154 words
A PORTABLE EXCAVATING MACHINE COMPRISING AN ELONGATED FRAME HAVING SIDE MEMBERS AND CROSS MEMBERS, A SECOND FRAME MOUNTED FOR LONGITUDINAL MOVEMENT WITHIN SAID ELONGATED FRAME OF A WIDTH LESS THAN THAT OF SAID ELONGATED FRAME DEFINING A SPACE BETWEEN SAID SECOND FRAME AND A SIDE OF SAID ELONGATED FRAME, A MUCKING MACHINE MOUNTED ON SAID SECOND FRAME AND ADAPTED FOR UNIVERSAL MOVEMENT IN RELATION THERETO, MEANS FOR MOVING SAID SECOND FRAME LONGITUDINALLY WITH RESPECT TO SAID ELONGATED FRAME, SKIP HOISTING MEANS EXTENDING LONGITUDINALLY THROUGH SAID SPACE BETWEEN SAID SECOND FRAME AND SAID SIDE OF SAID ELONGATED FRAME, A CROSSHEAD RELEASABLY SECURABLE TO A CROSS MEMBER OF SAID ELONGATED FRAME, A SKIP CARRIED BY SAID SKIP HOISTING MEANS BELOW SAID CROSSHEAD, MEANS FOR RELEASABLY SECURING SAID SKIP TO SAID CROSSHEAD, MEANS IN THE UPPER PART OF SAID ELONGATED FRAME FOR UPSETTING SAID SKIP, AND MEANS FOR PIVOTALLY CONNECTING SAID ELONGATED FRAME TO A TRANSPORTABLE CARRIER.
References Cited (Backward Citations)
US659970A
Cited
US1272354A
Cited
US1829587A
Cited
US2214288A
Cited
US2316976A
Cited
US2587844A
Cited
US2781140A
Cited
US2937773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |