Patent US4146274A successfully refreshed from Google Patents.
US4146274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circumferentially reinforced wheel rims of moldable material
Assignee: Compagnie Generale des Etablissements Michelin SCA
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Filing: 1976-10-08
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Granted: 1979-03-27
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Expires: 1996-10-08
Abstract
Abstract Wheel rims of moldable material for a tire having a base with a bead seat on each side extended by a flange are improved and strengthened against longitudinal tension stresses by having only in the base a tension-resistant embedded reinforcement solely formed by reinforcing elements arranged parallel to the circumferential direction of the rim.
Inventors
- 👤 Daniel Lejeune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:54
CPC Classifications
B; B60; B60B; B60B21/00; B60B5/00; B60B5/02; B29; B29L; B29L2031/00; B29L2031/32; B29L2031/322
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
60 words
In a reinforced wheel rim of moldable material for a tire having a base with an upper face and a lower face and with a bead seat on each side extended by a flange, the improvement which comprises only the base has a tension-resistant embedded reinforcement solely formed by reinforcing elements arranged parallel to the circumferential direction of the rim.
Claim 2
Dependent Claim
60 words
In a reinforced wheel rim of moldable material for a tire having a base with an upper face and a lower face and with a bead seat on each side extended by a flange, the improvement which comprises only the base has a tension-resistant embedded reinforcement solely formed by reinforcing elements arranged parallel to the circumferential direction of the rim.
Claim 3
Dependent Claim
38 words
The reinforced wheel rim defined by claim 1 wherein the rim has a sunken base formed of a cylindrical bottom portion and two sidewalls and at least the cylindrical bottom portion of the sunken base has said reinforcement.
Claim 4
Dependent Claim
15 words
The reinforced wheel rim defined by claim 1 wherein the rim has a flat base.
References Cited (Backward Citations)
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Cited
DE1275900B
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US3369843A
Cited
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Cited
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Cited
US3811737A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-26 | 1982-09-25 | 1983-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-26 | 1986-09-25 | 1987-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-26 | 1990-09-25 | 1991-03-27 | $7700.00 | Window Closed / Lapsed |