Patent US3443280A successfully refreshed from Google Patents.
US3443280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for curing tires
Assignee: Uniroyal Inc
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Filing: 1966-11-29
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Granted: 1969-05-13
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Expires: 1986-11-29
Abstract
No abstract record available.
Inventors
- 👤 Richard H Hugger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:45
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29C; B29C37/00; B29C2037/90; B29D30/0662; B29D2030/0666; B29D2030/0667
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN COMBINATION WITH A TIRE CURING PRESS HAVING SEPARABLE UPPER AND LOWER MOLD HALBES DEFINING WHEN CLOSED, A TIRE-SHAPED MOLD CAVITY, AND FURTHER HAVING A FLUID-TIGHT CURING BLADDER DISPOSED COAXIALLY WITH RESPECT TO SAID MOLD CAVITY AND ADAPTED TO RECEIVE STEAM UNDER PRESSURE AS THE TIRE SHPAING AND CURING MEDIUM; MEANS DEFINING A PLURALITY OF NOZZLES DISTRIBUTED AROUND THE ENTIRE CIRCUMFERENCE OF THE RADIALLY INNERMOST SECTION OF SAID MOLD CAVITY AND HAVING THEIR AXES ORIENTED AT A DOWNWARD ANGLE TO THORIZONTAL FOR ADMITTING SAID STEA INTO SAID BLADDER IN THE FORM OF A PLURALITY OF HIGH VELOCITY JETS ALONG RESPECTIVE FLOW PATHS SUBSTANTIALLY TANGENT TO THE INNER SURFACE OF SAID BLADDER WHERE THE SAME CONTACTS THE REGION OF CONFLUENCE OF THE LOWER BEAD AND SIDEWALL OF THE TIRE BEING CURED, THE DISCHARGE ENDS SAID
Claim 2
Dependent Claim
134 words
IN COMBINATION WITH A TIRE CURING PRESS HAVING SEPARABLE UPPER AND LOWER MOLD HALBES DEFINING WHEN CLOSED, A TIRE-SHAPED MOLD CAVITY, AND FURTHER HAVING A FLUID-TIGHT CURING BLADDER DISPOSED COAXIALLY WITH RESPECT TO SAID MOLD CAVITY AND ADAPTED TO RECEIVE STEAM UNDER PRESSURE AS THE TIRE SHPAING AND CURING MEDIUM; MEANS DEFINING A PLURALITY OF NOZZLES DISTRIBUTED AROUND THE ENTIRE CIRCUMFERENCE OF THE RADIALLY INNERMOST SECTION OF SAID MOLD CAVITY AND HAVING THEIR AXES ORIENTED AT A DOWNWARD ANGLE TO THORIZONTAL FOR ADMITTING SAID STEA INTO SAID BLADDER IN THE FORM OF A PLURALITY OF HIGH VELOCITY JETS ALONG RESPECTIVE FLOW PATHS SUBSTANTIALLY TANGENT TO THE INNER SURFACE OF SAID BLADDER WHERE THE SAME CONTACTS THE REGION OF CONFLUENCE OF THE LOWER BEAD AND SIDEWALL OF THE TIRE BEING CURED, THE DISCHARGE ENDS SAID
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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) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |