US3139309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load-equalizing devices for twin wheels
Assignee: Dunlop Rubber Co Ltd
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Filing: 1962-04-09
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Granted: 1964-06-30
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Breton Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:32
CPC Classifications
B; B60; B60B; B60B11/00; B60B11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A TWIN WHEEL ASSEMBLY COMPRISING A ROTATABLE SUPPORT HAVING A FLANGE EXTENDING IN A PLANE NORMAL TO THE AXIS OF SAID SUPPORT, AN OUTBOARD SUPPORTING MEMBER HAVING A FLANGE PARALLEL TO A SPACED FROM SAID FLANGE OF SAID ROTATABLE SUPPORT, AND INBOARD SUPPORTING MEMBER HAVING A FLANGE BETWEEN AND SPACED FROM SAID FLANGE OF THE ROTATABLE SUPPORT AND THE FLANGE OF THE OUTBOARD SUPPORTING MEMBER, AN OUTBOARD WHEEL RIM SECURED TO SAID OUTBOARD SUPPORTING MEMBER, AN INBOARD WHEEL RIM SECURED TO SAID INBOARD SUPPORTING MEMBER, MEANS FOR SECURING SAID OUTBOARD SUPPORTING MEMBER RIGIDLY TO SAID ROTATABLE SUPPORT AND RESILIENT MEANS BETWEEN SAID FLANGE OF SAID ROTATABLE SUPPORT AND THE FLANGES OF SAID INBOARD AND SAID OUTBOARD MEMBERS AND SECURING THE FLANGE OF SAID INBOARD SUPPORTING MEMBER RESILIENTLY TO SAID FLANGES OF SAID OUTBOARD MEMBER AND SAID ROTATABLE SUPPORT TO RESILIENTLY HOLD SAID INBOARD WHEEL RIM COAXIAL TO SAID ROTATABLE SUPPORTING MEMBER AND TO BE DEFLECTED OUT OF COAXIAL RELATION TO SAID ROTATABLE SUPPORTING MEMBER.
Claim 2
Dependent Claim
164 words
A TWIN WHEEL ASSEMBLY COMPRISING A ROTATABLE SUPPORT HAVING A FLANGE EXTENDING IN A PLANE NORMAL TO THE AXIS OF SAID SUPPORT, AN OUTBOARD SUPPORTING MEMBER HAVING A FLANGE PARALLEL TO A SPACED FROM SAID FLANGE OF SAID ROTATABLE SUPPORT, AND INBOARD SUPPORTING MEMBER HAVING A FLANGE BETWEEN AND SPACED FROM SAID FLANGE OF THE ROTATABLE SUPPORT AND THE FLANGE OF THE OUTBOARD SUPPORTING MEMBER, AN OUTBOARD WHEEL RIM SECURED TO SAID OUTBOARD SUPPORTING MEMBER, AN INBOARD WHEEL RIM SECURED TO SAID INBOARD SUPPORTING MEMBER, MEANS FOR SECURING SAID OUTBOARD SUPPORTING MEMBER RIGIDLY TO SAID ROTATABLE SUPPORT AND RESILIENT MEANS BETWEEN SAID FLANGE OF SAID ROTATABLE SUPPORT AND THE FLANGES OF SAID INBOARD AND SAID OUTBOARD MEMBERS AND SECURING THE FLANGE OF SAID INBOARD SUPPORTING MEMBER RESILIENTLY TO SAID FLANGES OF SAID OUTBOARD MEMBER AND SAID ROTATABLE SUPPORT TO RESILIENTLY HOLD SAID INBOARD WHEEL RIM COAXIAL TO SAID ROTATABLE SUPPORTING MEMBER AND TO BE DEFLECTED OUT OF COAXIAL RELATION TO SAID ROTATABLE SUPPORTING MEMBER.
References Cited (Backward Citations)
US1769903A
Cited
US1964105A
Cited
US2252862A
Cited
FR982057A
Cited
US2570559A
Cited
US2593977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |