US3174636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container handling equipment
Assignee: Dempster Systems Inc
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Filing: 1961-10-25
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Granted: 1965-03-23
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Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 James W Dempster
- 👤 Neil F Wender
- 👤 Georgia Trust Company Of
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:27
CPC Classifications
B; B65; B65F; B65F3/00; B65F3/02; B65F3/04; B60; B60P; B60P1/00; B60P1/48; B60P1/50; B65F3/08; B65F2003/0263; B65F2003/0279
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
221 words
IN A FRONT END LOADER OF THE CHARACTER DESCRIBED, THE COMBINATION WITH A MOTOR VEHICLE OF THE TYPE HAVING A CHASSIS FRAME, AND A BODY ON THE FRAME ADAPTED TO RECEIVE MATERIAL THEREIN, OF A LOADER MECHANISM COMPRISING A FIRST TRACK EXTENDING UPWARDLY AT THE FRONT OF THE VEHICLE AND OVER THE BODY, A SECOND TRACK EXTENDING UPWARDLY ADJACENT THE FIRST TRACK AT THE FRONT OF THE VEHICLE AND OVER THE BODY, AN ASSEMBLY MOUNTED ON THE RESPECTIVE TRACKS AT SPACED-APART POINTS FOR MOVEMENT ALONG THE TRACKS, EACH OF SAID TRACKS CONSISTING OF THREE SECTIONS, THE FIRST SECTION OF EACH TRACK BEING IN A COMMON VERTICAL PLANE TRANSVERSE TO THE VEHICLE, THE SECOND SECTION OF ONE TRACK BEING VERTICALLY SPACED FROM THE SECOND SECTION OF THE OTHER TRACK, AND MEANS ON THE ASSEMBLY FOR ENGAGING AND HOISTING A CONTAINER FROM A SUPPORTING SURFACE IN FRONT OF THE VEHICLE TO A LOCATION OVER THE BODY AND FOR SWINGING THE CONTAINER IN AN INVERTED POSITION TO DUMP THE CONTENTS THEREOF INTO THE BODY, MOVEMENT OF THE ASSEMBLY FROM THE FIRST SECTION TO THE SECOND SECTION OF THE TRACKS MAINTAINING THE CONTAINER IN AN UPRIGHT POSITION WHILE SLIGHTLY REARWARDLY TILTED, THE THIRD SECTION OF EACH TRACK BEING ARRANGED TO CAUSE TILTING OF THE ASSEMBLY AND DUMPING OF THE CONTAINER THEREON INTO THE VEHICLE BODY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |