Patent US1605634A successfully refreshed from Google Patents.
US3091476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four wheel farm cart
Assignee: Individual
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Filing: 1961-03-27
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Granted: 1963-05-28
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Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Francis W Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:33
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
IN COMBINATION: (A) A CART BODY; (B) A CROSS-BAR MOUNTED ON SAID CART BODY; (C) A ROTATABLE SHAFT MOUNTED FOR ROTATION PARALLEL TO SAID CROSS-BAR; (D) A PAIR OF WHEEL UNITS FIXED ON OPPOSITE SIDES OF SAID CART BODY, EACH OF SAID WHEEL UNITS INCLUDING, (A) A POST FIXED ON SAID CROSS-BAR AND EXTENDING VERTICALLY THEREFROM, (B) A ROTATABLE COUPLING MEANS MOUNTED ON SAID POST AND HAVING FIRST AND SECOND OPPOSED COUPLING ELEMENTS, (C) FIRST LINKAGE MEANS CONNECTING SAID FIRST COUPLING ELEMENT WITH SAID ROTATABLE SHAFT FOR RECIPROCATING MOVEMENT OF SAID COUPLING MEANS IN RESPONSE TO ROTATION OF SAID SHAFT, (D) A WHEEL, (E) SECOND LINKAGE MEANS CONNECTING SAID SECOND COUPLING ELEMENT WITH SAID WHEEL, (F) SAID FIRST AND SECOND LINKAGE MEANS BEING PIVOTALLY CONNECTED TO SAID FIRST AND SECOND COUPLING ELEMENTS (G) A ROTATABLE COUPLING UNIT MOUNTED IN ALIGNMENT WITH SAID POST, (H) ARM MEANS CONNECTED BETWEEN SAID ROTATABLE COUPLING UNIT AND SAID WHEEL, SAID ARM MEANS BEING PIVOTALLY CONNECTED TO SAID UNIT, WHEREBY ROTATION OF SAID ROTATABLY SHAFT CAUSES RECIPROCATION OF SAID COUPLING MEMBER ON SAID POST AND IN TURN RECIPROCATING MOVEMENT OF SAID WHEEL, AND WHEREBY SAID WHEEL IS SIMULTANEOUSLY PIVOTAL WITH RESPECT TO SAID POST.
Claim 2
Dependent Claim
199 words
IN COMBINATION: (A) A CART BODY; (B) A CROSS-BAR MOUNTED ON SAID CART BODY; (C) A ROTATABLE SHAFT MOUNTED FOR ROTATION PARALLEL TO SAID CROSS-BAR; (D) A PAIR OF WHEEL UNITS FIXED ON OPPOSITE SIDES OF SAID CART BODY, EACH OF SAID WHEEL UNITS INCLUDING, (A) A POST FIXED ON SAID CROSS-BAR AND EXTENDING VERTICALLY THEREFROM, (B) A ROTATABLE COUPLING MEANS MOUNTED ON SAID POST AND HAVING FIRST AND SECOND OPPOSED COUPLING ELEMENTS, (C) FIRST LINKAGE MEANS CONNECTING SAID FIRST COUPLING ELEMENT WITH SAID ROTATABLE SHAFT FOR RECIPROCATING MOVEMENT OF SAID COUPLING MEANS IN RESPONSE TO ROTATION OF SAID SHAFT, (D) A WHEEL, (E) SECOND LINKAGE MEANS CONNECTING SAID SECOND COUPLING ELEMENT WITH SAID WHEEL, (F) SAID FIRST AND SECOND LINKAGE MEANS BEING PIVOTALLY CONNECTED TO SAID FIRST AND SECOND COUPLING ELEMENTS (G) A ROTATABLE COUPLING UNIT MOUNTED IN ALIGNMENT WITH SAID POST, (H) ARM MEANS CONNECTED BETWEEN SAID ROTATABLE COUPLING UNIT AND SAID WHEEL, SAID ARM MEANS BEING PIVOTALLY CONNECTED TO SAID UNIT, WHEREBY ROTATION OF SAID ROTATABLY SHAFT CAUSES RECIPROCATION OF SAID COUPLING MEMBER ON SAID POST AND IN TURN RECIPROCATING MOVEMENT OF SAID WHEEL, AND WHEREBY SAID WHEEL IS SIMULTANEOUSLY PIVOTAL WITH RESPECT TO SAID POST.
References Cited (Backward Citations)
US2762631A
Cited
US2835400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |