US3649729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of curing a rubber or plastic tire
Assignee: ERIC G GOULD
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Filing: 1969-09-11
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Granted: 1972-03-14
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Expires: 1989-09-11
Abstract
Abstract A METHOD FOR DETERMINING THE STATE OF CURE OF A RUBBER OR PLASTICS ARTICLE, SUCH AS A POEUMATIC TIRE, DURING ITS CURE CYCLE BY SENSING THE TEMPERATURE OF THE ARTICLE AT ITS SURFACES, CALCULATING THEREFROM THE TEMPEATURE AT A POINT IN THE ARTICLE AT WHICH AN ADEQUATE STATE OF CURE IS DESIRED AND THENCE DETERMINING THE STATE OF CURE AT SUCH POINT. ALSO THE PROCESS FOR CURING A ROBBER OR PLASTICS ARTICLE WHICH INCLUDES USING THE ABOVE METHOD TO DETERMINE THE STATE OF CURE AT A POINT IN THE ARTICLE AND TERMINATING THE CURE WHEN A DESIRED STATE OF CURE AT THAT POINT HAS BEEN REACHED, OF WHICH THE FOLLOWING IS A SPECIFICATION.
Inventors
- 👤 Edward P Davis
- 👤 Eric G Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:06
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29C; B29C35/00; B29C35/02; B29C35/0288; B29D30/0662; B29D2030/0675; B29D2030/0677; B29K; B29K2105/00; B29K2105/24; B29L; B29L2030/00
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |