Patent US2782140A successfully refreshed from Google Patents.
US2782140A
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Method of thermally sealing rubber hydrochloride films
Assignee: Goodyear Tire and Rubber Co
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Filing: 1953-09-04
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Granted: 1957-02-19
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Expires: 1973-09-04
Abstract
No abstract record available.
Inventors
- 👤 Paul J Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:29
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/022; B29C65/66; B29C65/74; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/137; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/70; B29C66/71; B65; B65D; B65D33/00; B65D33/16; C; C08; C08L; C08L7/00; C08L7/02; B29C55/00; B29C66/02; B29C66/022; B29C66/0224; B29C66/02241; B29K; B29K2019/00; B29K2021/00; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; C08L9/00; C08L9/02; Y; Y10; Y10S; Y10S62/00; Y10S62/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE METHOD OF SEALING ADJACENT PLIES OF PLASTIC RUBBER HYDROCHLORIDE FILM TOGETHER, WHICH METHOD COMPRISES STRETCHING THE FILM UNTIL IT BREAKS WITH THE ADJACENT LAYERS OF THE FILM CONTACTING ONE ANOTHER AT AND DURING THE BREAK, AND THEREBY FUSING THE EDGES OF SAID LAYERS TOGETHER AT THE BREAK.
Claim 2
Independent Claim
48 words
THE METHOD OF SEALING ADJACENT PLIES OF PLASTIC RUBBER HYDROCHLORIDE FILM TOGETHER, WHICH METHOD COMPRISES STRETCHING THE FILM UNTIL IT BREAKS WITH THE ADJACENT LAYERS OF THE FILM CONTACTING ONE ANOTHER AT AND DURING THE BREAK, AND THEREBY FUSING THE EDGES OF SAID LAYERS TOGETHER AT THE BREAK.
References Cited (Backward Citations)
US2735797A
Cited
US1998807A
Cited
US2235682A
Cited
US2238342A
Cited
US2259362A
Cited
US2429177A
Cited
GB647059A
Cited
US2351350A
Cited
US2442405A
Cited
US2594229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |