Patent US3071254A successfully refreshed from Google Patents.
US3071254A
Expired / Lapsed
US
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Tractor with boom attachment
Assignee: Doosan Bobcat North America Inc
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Filing: 1959-12-30
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Granted: 1963-01-01
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Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 Herschel H Stilley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:05
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C2700/00; B66C2700/06; B66C2700/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A TRACTOR VEHICLE HAVING A BODY PORTION, A MOUNTING BRACKET PROJECTING LATERALLY FROM ONE SIDE OF THE BODY PORTION HAVING DUAL MOUNTING MEANS THEREON, ANOTHER MOUNTING BRACKET PROJECTING LATERALLY FROM THE OTHER SIDE OF THE BODY PORTION HAVING ADDITIONAL DUAL MOUNTING MEANS THEREON, A PIVOTABLE BOOM AND OPERATING MEANS FOR THE SAID PIVOTABLE BOOM REMOVABLY MOUNTED ON THE DUAL MOUNTING MEANS ON ONE MOUNTING BRACKET, A PIVOTABLE COUNTERWEIGHT AND OPERATING MEANS FOR THE SAID PIVOTABLE COUNTERWEIGHT REMOVABLY MOUNTED ON THE DUAL MOUNTING MEANS ON THE OTHER MOUNTING BRACKET, AND THE SAID BRACKETS AND THE RESPECTIVE DUAL MOUNTING MEANS THEREON AND THE SAID PIVOTABLE BOOM AND ITS OPERATING MEANS AND THE SAID PIVOTABLE COUNTERWEIGHT AND ITS OPERATING MEANS BEING SO CONSTRUCTED AND ARRANGED THAT EITHER THE PIVOTABLE BOOM OR THE PIVOTABLE COUNTERWEIGHT CAN BE MOUNTED SELECTIVELY ON EITHER OF THE MOUNTING BRACKETS.
Claim 2
Dependent Claim
142 words
IN A TRACTOR VEHICLE HAVING A BODY PORTION, A MOUNTING BRACKET PROJECTING LATERALLY FROM ONE SIDE OF THE BODY PORTION HAVING DUAL MOUNTING MEANS THEREON, ANOTHER MOUNTING BRACKET PROJECTING LATERALLY FROM THE OTHER SIDE OF THE BODY PORTION HAVING ADDITIONAL DUAL MOUNTING MEANS THEREON, A PIVOTABLE BOOM AND OPERATING MEANS FOR THE SAID PIVOTABLE BOOM REMOVABLY MOUNTED ON THE DUAL MOUNTING MEANS ON ONE MOUNTING BRACKET, A PIVOTABLE COUNTERWEIGHT AND OPERATING MEANS FOR THE SAID PIVOTABLE COUNTERWEIGHT REMOVABLY MOUNTED ON THE DUAL MOUNTING MEANS ON THE OTHER MOUNTING BRACKET, AND THE SAID BRACKETS AND THE RESPECTIVE DUAL MOUNTING MEANS THEREON AND THE SAID PIVOTABLE BOOM AND ITS OPERATING MEANS AND THE SAID PIVOTABLE COUNTERWEIGHT AND ITS OPERATING MEANS BEING SO CONSTRUCTED AND ARRANGED THAT EITHER THE PIVOTABLE BOOM OR THE PIVOTABLE COUNTERWEIGHT CAN BE MOUNTED SELECTIVELY ON EITHER OF THE MOUNTING BRACKETS.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |