US2782140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of thermally sealing rubber hydrochloride films
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1953-09-04
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Granted: 1957-02-19
•
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
2026-10-27 19:31
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.
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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) | 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 |