Patent US3135404A successfully refreshed from Google Patents.
US3135404A
Expired / Lapsed
US
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Tractor mounted counterweight
Assignee: Ware Machine Works Inc
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Filing: 1962-06-27
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Granted: 1964-06-02
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Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 John S Pilch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:11
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/18; B; B62; B62D; B62D49/00; B62D49/08; B62D49/085; E02F3/00; E02F3/04; E02F3/28; E02F3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A DETACHABLE TRACTOR MOUNTED COUNTERWEIGHT ADAPTED TO BE DETACHED FROM AND ATTACHED TO A TRACTOR, A COUNTERWEIGHT SUPPORT ADAPTED FOR SUPPORTING COUNTERWEIGHT MEANS ON A TRACTOR, SAID SUPPORT HAVING A PAIR OF SPACED PIVOT CONNECTING PORTIONS ADAPTED TO BE AT A DISTANCE ABOVE THE GROUND WHEN THE COUNTERWEIGHT IS DETACHED FROM THE TRACTOR, THE TRACTOR HAVING A PAIR OF PIVOT CONNECTING MEMBERS AT A DISTANCE ABOVE THE GROUND AND ADAPTED TO BE MOVED INTO ENGAGEMENT WITH SAID COUNTERWEIGHT SUPPORT PIVOT CONNECTING PORTIONS BY MOVEMENT OF SAID TRACTOR, AND CONNECTING MEANS ACTUATED BY SAID TRACTOR AND WHEN CONNECTED TO SAID COUNTERWEIGHT SUPPORT TO PIVOT SAID SUPPORT INTO OPERATIVE POSITION ON SAID TRACTOR.
Claim 2
Dependent Claim
112 words
IN A DETACHABLE TRACTOR MOUNTED COUNTERWEIGHT ADAPTED TO BE DETACHED FROM AND ATTACHED TO A TRACTOR, A COUNTERWEIGHT SUPPORT ADAPTED FOR SUPPORTING COUNTERWEIGHT MEANS ON A TRACTOR, SAID SUPPORT HAVING A PAIR OF SPACED PIVOT CONNECTING PORTIONS ADAPTED TO BE AT A DISTANCE ABOVE THE GROUND WHEN THE COUNTERWEIGHT IS DETACHED FROM THE TRACTOR, THE TRACTOR HAVING A PAIR OF PIVOT CONNECTING MEMBERS AT A DISTANCE ABOVE THE GROUND AND ADAPTED TO BE MOVED INTO ENGAGEMENT WITH SAID COUNTERWEIGHT SUPPORT PIVOT CONNECTING PORTIONS BY MOVEMENT OF SAID TRACTOR, AND CONNECTING MEANS ACTUATED BY SAID TRACTOR AND WHEN CONNECTED TO SAID COUNTERWEIGHT SUPPORT TO PIVOT SAID SUPPORT INTO OPERATIVE POSITION ON SAID TRACTOR.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |