US2754876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety tire
Assignee: Bridgestone Firestone Inc
•
Filing: 1953-05-05
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Granted: 1956-07-17
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Expires: 1973-05-05
Abstract
No abstract record available.
Inventors
- 👤 Frank S King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:14
CPC Classifications
B; B60; B60C; B60C17/00; B60C17/01; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T152/10522; Y10T152/10576; Y10T152/10594; Y10T152/10603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE COMBINATION OF A TUBELESS TIRE, A DROP-CENTER RIM HAVING SEATS SUPPORTING THE BEADS OF SAID TIRE, AND A SAFETY MEMBER COMPRISING A FLEXIBLE DIAPHRAGM EXTENDING FROM BEAD TO BEAD OF SAID TIRE AND DIVIDING THE SPACE ENCLOSED BY THE TIRE RIM INTO AN INNER COMPARTMENT AND AN OUTER COMPARTMENT, SAID RIM HAVING CIRCUMFERENTIALLY EXTENDING MEANS EXTENDING RADIALLY OUTWARDLY FROM THE WELL OF SAID RIM ADJACENT AND BEYOND THE AXIAL INWARD EDGES OF SAID SEATS, SAID MEANS AND THE TOES OF THE BEADS OF SAID TIRE DEFINING OUTWARDLY FACING GROOVES, SAID DIAPHRAGM HAVING INEXTENSIBLE, CIRCUMFERENTIAL, BEAD PORTIONS SEATING SNUGLY IN SAID GROOVES AND THEREBY TO HOLD SAID MEMBER AGAINST BODILY DISPLACEMENT IN SAID TIRE.
Claim 2
Dependent Claim
114 words
THE COMBINATION OF A TUBELESS TIRE, A DROP-CENTER RIM HAVING SEATS SUPPORTING THE BEADS OF SAID TIRE, AND A SAFETY MEMBER COMPRISING A FLEXIBLE DIAPHRAGM EXTENDING FROM BEAD TO BEAD OF SAID TIRE AND DIVIDING THE SPACE ENCLOSED BY THE TIRE RIM INTO AN INNER COMPARTMENT AND AN OUTER COMPARTMENT, SAID RIM HAVING CIRCUMFERENTIALLY EXTENDING MEANS EXTENDING RADIALLY OUTWARDLY FROM THE WELL OF SAID RIM ADJACENT AND BEYOND THE AXIAL INWARD EDGES OF SAID SEATS, SAID MEANS AND THE TOES OF THE BEADS OF SAID TIRE DEFINING OUTWARDLY FACING GROOVES, SAID DIAPHRAGM HAVING INEXTENSIBLE, CIRCUMFERENTIAL, BEAD PORTIONS SEATING SNUGLY IN SAID GROOVES AND THEREBY TO HOLD SAID MEMBER AGAINST BODILY DISPLACEMENT IN SAID TIRE.
References Cited (Backward Citations)
GB190306232A
Cited
US1889799A
Cited
US2173065A
Cited
US2198978A
Cited
US2554815A
Cited
GB658465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |