Patent US3704030A successfully refreshed from Google Patents.
US3704030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protector screen for tractor drivers
Assignee: Individual
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Filing: 1970-03-02
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Granted: 1972-11-28
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Expires: 1990-03-02
Abstract
Abstract An upper convex protective screen and frame is mounted upon a tractor chassis or axle and includes in combination therewith a plurality of depending chain members which are adapted to allow movement of rear tractor hitch mechanisms yet provide protection to the lower torso of the tractor driver from debris, rocks, etc. thrown by adjacent tractor mounted mowing devices.
Inventors
- 👤 Paul E Mcferron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:37
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/13; B60R21/131
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
97 words
Apparatus for protecting tractor operators from projectiles thrown towards the operator from the rear comprising: a rigid frame attached to the tractor chassis at the rear thereof and behind the operator''s normal position, said frame extending substantially between rear wheel fenders of said tractor, from a lower transverse frame positioned above the normal operating movement limits of rearward tractor attachements, to upwardly above said operator''s normal position; a rigid screen attached to said frame so as to form a convex rearward surface; and a plurality of side by side chain pieces hanging from said lower transverse frame.
Claim 2
Dependent Claim
97 words
Apparatus for protecting tractor operators from projectiles thrown towards the operator from the rear comprising: a rigid frame attached to the tractor chassis at the rear thereof and behind the operator''s normal position, said frame extending substantially between rear wheel fenders of said tractor, from a lower transverse frame positioned above the normal operating movement limits of rearward tractor attachements, to upwardly above said operator''s normal position; a rigid screen attached to said frame so as to form a convex rearward surface; and a plurality of side by side chain pieces hanging from said lower transverse frame.
Claim 3
Dependent Claim
17 words
Apparatus of claim 1 including pivotal braces extending from said frame to attachment with said wheel fenders.
Claim 4
Dependent Claim
22 words
Apparatus of claim 2 wherein said rigid frame is attached at its lower end to the rear axle housing of said tractor.
Claim 5
Dependent Claim
30 words
Apparatus of claim 1 wherein the bottom end of said chains will extend at least to an imaginary plane through the rear axle housing and parallel to the ground surface.
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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |