Patent US3146001A successfully refreshed from Google Patents.
US3146001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety attachment for tractors
Assignee: Individual
•
Filing: 1963-02-14
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Granted: 1964-08-25
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Mcfadyen May Adele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:18
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN COMBINATION, A TRACTOR EMBODYING A CHASSIS FRAME CHARACTERIZED BY A REAREWARD PORTION PROVIDED WITH AN OPERATOR''S SEAT AND FORWARDLY OF AND ADJACENT TO AND IN ALIGNMENT WITH A COMPLEMENTAL STEERING WHEEL AND STEERING COLUMN CARRYING SAID WHEEL, AXLE MEANS PROVIDED AT ENDS THEREOF WITH GROUND ENGAGING WHEELS AND INCLUDING AXLE HOUSINGS, AN INVERTED U-FRAME DISPOSED IN AN UPSTANDING VERTICAL POSITION AND CONSTITUTING AN ARCH AND INCLUDING AND UPPER BIGHT PORTION CONNECTING UPPER ENDS OF DEPENDING LIMBS, SAID LIMBS CONNECTED AT LOWER ENDS THEREOF TO CLAMPING DEVICES EMBRACING LONGITUDINALLY SPACED PORTIONS OF THE AXLE HOUSING INWARDLY OF THE RESPECTIVELY ADJACENT WHEELS, SAID LIMBS STRADDLING THE SEAT WITH THE BRIGHT PORTION SPACED IN A PLANE ABOVE THE PLANE OF THE SEAT, SAID U-FRAME BEING IN A VERTICAL PLANE REAR-
Claim 2
Dependent Claim
128 words
IN COMBINATION, A TRACTOR EMBODYING A CHASSIS FRAME CHARACTERIZED BY A REAREWARD PORTION PROVIDED WITH AN OPERATOR''S SEAT AND FORWARDLY OF AND ADJACENT TO AND IN ALIGNMENT WITH A COMPLEMENTAL STEERING WHEEL AND STEERING COLUMN CARRYING SAID WHEEL, AXLE MEANS PROVIDED AT ENDS THEREOF WITH GROUND ENGAGING WHEELS AND INCLUDING AXLE HOUSINGS, AN INVERTED U-FRAME DISPOSED IN AN UPSTANDING VERTICAL POSITION AND CONSTITUTING AN ARCH AND INCLUDING AND UPPER BIGHT PORTION CONNECTING UPPER ENDS OF DEPENDING LIMBS, SAID LIMBS CONNECTED AT LOWER ENDS THEREOF TO CLAMPING DEVICES EMBRACING LONGITUDINALLY SPACED PORTIONS OF THE AXLE HOUSING INWARDLY OF THE RESPECTIVELY ADJACENT WHEELS, SAID LIMBS STRADDLING THE SEAT WITH THE BRIGHT PORTION SPACED IN A PLANE ABOVE THE PLANE OF THE SEAT, SAID U-FRAME BEING IN A VERTICAL PLANE REAR-
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |