US3342359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated load handling attachment
Assignee: Doosan Bobcat North America Inc
•
Filing: 1963-12-27
•
Granted: 1967-09-19
•
Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Marshall D Sawdey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:25
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/18; B66F9/181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN ARTICULATED LOAD HANDLING ATTACHMENT FOR AN INDUSTRICAL TRUCK HAVING AN UPRIGHT WITH A VERTICALLY MOVABLE CARRIAGE ON THE FRONT END THEREOF, SAID ATTACHMENT COMPRISING A PLATE ROTATABLE ON A VERTICAL PLANE, A BASE FOR ROTATABLY SUPPORTING SAID PLATE ON SAID CARRIAGE, MEANS FOR MOUNTING SAID BASE ON SAID CARRIAGE, A PLURALITY OF HYDRAULIC CYLINDER UNITS MOUNTED ON SAID BASE FOR ROTATING SAID PLATE THROUGH AT LEAST NINETY DEGREES, A FIRST RECTANGULAR FRAME PIVOTED AT OPPOSITE SIDES TO SAID ROTATABLE PLATE AND BEING ON AND LIMITED TO A PLANE SUBSTANTIALLY PARALLEL WITH THE PLANE OF SAID PLATE, A SECOND RECTANGULAR FRAME PIVOTED AT RIGHT ANGLES AND AT OPPOSITE SIDES TO SAID FIRST FRAME AND BEING ON AND LIMITED TO A PLANE SUBSTANTIALLY PARALLEL WITH THE PLANE OF SAID BASE, AND LOAD ENGAGING ELEMENTS MOUNTED ON SAID SECOND FRAME AND PROJECTING FORWARDLY THEREFROM.
Claim 2
Dependent Claim
142 words
AN ARTICULATED LOAD HANDLING ATTACHMENT FOR AN INDUSTRICAL TRUCK HAVING AN UPRIGHT WITH A VERTICALLY MOVABLE CARRIAGE ON THE FRONT END THEREOF, SAID ATTACHMENT COMPRISING A PLATE ROTATABLE ON A VERTICAL PLANE, A BASE FOR ROTATABLY SUPPORTING SAID PLATE ON SAID CARRIAGE, MEANS FOR MOUNTING SAID BASE ON SAID CARRIAGE, A PLURALITY OF HYDRAULIC CYLINDER UNITS MOUNTED ON SAID BASE FOR ROTATING SAID PLATE THROUGH AT LEAST NINETY DEGREES, A FIRST RECTANGULAR FRAME PIVOTED AT OPPOSITE SIDES TO SAID ROTATABLE PLATE AND BEING ON AND LIMITED TO A PLANE SUBSTANTIALLY PARALLEL WITH THE PLANE OF SAID PLATE, A SECOND RECTANGULAR FRAME PIVOTED AT RIGHT ANGLES AND AT OPPOSITE SIDES TO SAID FIRST FRAME AND BEING ON AND LIMITED TO A PLANE SUBSTANTIALLY PARALLEL WITH THE PLANE OF SAID BASE, AND LOAD ENGAGING ELEMENTS MOUNTED ON SAID SECOND FRAME AND PROJECTING FORWARDLY THEREFROM.
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |