Patent US3372946A successfully refreshed from Google Patents.
US3372946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller slides for trailers
Assignee: Individual
•
Filing: 1966-04-26
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Granted: 1968-03-12
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Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Charles T Hutchens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:04
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN ADJUSTABLE TANDEM SUBFRAME COMPRISING: A PAIR OF HORIZONTALLY DISPOSED CHANNEL-SHAPED SUPPORT MEMBERS LYING IN PARALLEL VERTICAL PLANES; A PLURALITY OF SPRING MOUNTING BRACKETS CONNECTED TO EACH CHANNEL-SHAPED SUPPORT MEMBER AND DEPENDING THEREFROM; A PLURALITY OF HORIZONTALLY ALIGNED ROLLERS PROJECTING FROM THE OUTSIDE SURFACE OF EACH SUPPORT MEMBER, EACH ROLLER BEING SECURED ON A MOUNTING MEANS FOR ROTATION IN A VERTICAL PLANE ABOUT AN AXIS FIXED TO THE CORRESPONDING SUPPORT MEMBER, SAID MOUNTING MEANS HAVING AN INNER END AFFIXED WITHIN ONE OF SAID CHANNEL-SHAPED SUPPORT MEMBER, THE ROLLERS OF EACH SIDE OF SAID SUBFRAME BEING ADAPTED TO ENGAGE A VEHICLE BODY FRAME ANGLE MEMBER AND SUPPORT THE SAME IN SLIDING RELATIONSHIP WITH RESPECT TO SAID SUBFRAME; AND STOP MEANS CARRIED BY SAID SUBFRAME AND ADAPTED TO SLIDE THROUGH SAID CHANNEL-SHAPED SUPPORT MEMBERS AND ENGAGE SAID VEHICLE BODY FRAME ANGLE MEMBERS.
Claim 2
Dependent Claim
140 words
AN ADJUSTABLE TANDEM SUBFRAME COMPRISING: A PAIR OF HORIZONTALLY DISPOSED CHANNEL-SHAPED SUPPORT MEMBERS LYING IN PARALLEL VERTICAL PLANES; A PLURALITY OF SPRING MOUNTING BRACKETS CONNECTED TO EACH CHANNEL-SHAPED SUPPORT MEMBER AND DEPENDING THEREFROM; A PLURALITY OF HORIZONTALLY ALIGNED ROLLERS PROJECTING FROM THE OUTSIDE SURFACE OF EACH SUPPORT MEMBER, EACH ROLLER BEING SECURED ON A MOUNTING MEANS FOR ROTATION IN A VERTICAL PLANE ABOUT AN AXIS FIXED TO THE CORRESPONDING SUPPORT MEMBER, SAID MOUNTING MEANS HAVING AN INNER END AFFIXED WITHIN ONE OF SAID CHANNEL-SHAPED SUPPORT MEMBER, THE ROLLERS OF EACH SIDE OF SAID SUBFRAME BEING ADAPTED TO ENGAGE A VEHICLE BODY FRAME ANGLE MEMBER AND SUPPORT THE SAME IN SLIDING RELATIONSHIP WITH RESPECT TO SAID SUBFRAME; AND STOP MEANS CARRIED BY SAID SUBFRAME AND ADAPTED TO SLIDE THROUGH SAID CHANNEL-SHAPED SUPPORT MEMBERS AND ENGAGE SAID VEHICLE BODY FRAME ANGLE MEMBERS.
References Cited (Backward Citations)
US2753064A
Cited
US2900194A
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US3085816A
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US3146000A
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US3181914A
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US3235285A
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US3314689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |