Patent US3121653A successfully refreshed from Google Patents.
US3121653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Type building machines
Assignee: Dunlop Rubber Co Ltd
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Filing: 1961-08-07
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Granted: 1964-02-18
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Expires: 1981-08-07
Abstract
No abstract record available.
Inventors
- 👤 Trevaskis Henry William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:27
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/32; B29D2030/3207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A TYRE BUILDING MACHINE COMPRISING A ROTATABLE TYRE BUILDING FORMER, A PAIR OF AXIALLY MOVABLE BEAD CENTRALISING MEMBERS DISPOSED ONE AT EACH END OF THE FORMER, EACH MEMBER HAVING A SUPPORTING FACE NORMAL TO THE AXIS OF THE FORMER FOR CARRYING A BEAD WIRE AND A RADIALLY ADJUSTABLE CENTRALISING DEVICE FOR MOVING THE BEAD WIRE RADIALLY ACROSS THE SUPPORTING FACE SO AS TO POSITION IT COAXIALLY WITH THE FORMER.
Claim 2
Dependent Claim
69 words
A TYRE BUILDING MACHINE COMPRISING A ROTATABLE TYRE BUILDING FORMER, A PAIR OF AXIALLY MOVABLE BEAD CENTRALISING MEMBERS DISPOSED ONE AT EACH END OF THE FORMER, EACH MEMBER HAVING A SUPPORTING FACE NORMAL TO THE AXIS OF THE FORMER FOR CARRYING A BEAD WIRE AND A RADIALLY ADJUSTABLE CENTRALISING DEVICE FOR MOVING THE BEAD WIRE RADIALLY ACROSS THE SUPPORTING FACE SO AS TO POSITION IT COAXIALLY WITH THE FORMER.
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) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |