US3306328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic sealing method and apparatus
Assignee: Evans-Aristocrat Industries Inc
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Filing: 1965-03-25
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Granted: 1967-02-28
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Expires: 1985-03-25
Abstract
No abstract record available.
Inventors
- 👤 Markus George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:03
CPC Classifications
A; A45; A45C; A45C1/00; A45C1/06; Y; Y10; Y10S; Y10S220/00; Y10S220/31; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF MANUFACTURING AN ARTICLE OF LAYERS OF THERMOSPLASTIC MATERIAL COMPRISING: FORMING A BLANK OF TWO LAYERS OF SAID THERMOPLASTIC MATERIAL JOINED TOGETHER; FOLDING UP SAID BLANK TO AT LEAST IN PART FORM SAID ARTICLE THEREBY HAVING PORTIONS HAVING A THICKNESS OF A NUMBER OF LAYERS; HEAT FUSING PORTIONS OF A PLURALITY OF SAID NUMBER OF LAYERS TOGETHER, SAID PLURALITY BEING AT LEAST ONE FEWER THAN SAID NUMBER.
Claim 2
Independent Claim
69 words
A METHOD OF MANUFACTURING AN ARTICLE OF LAYERS OF THERMOSPLASTIC MATERIAL COMPRISING: FORMING A BLANK OF TWO LAYERS OF SAID THERMOPLASTIC MATERIAL JOINED TOGETHER; FOLDING UP SAID BLANK TO AT LEAST IN PART FORM SAID ARTICLE THEREBY HAVING PORTIONS HAVING A THICKNESS OF A NUMBER OF LAYERS; HEAT FUSING PORTIONS OF A PLURALITY OF SAID NUMBER OF LAYERS TOGETHER, SAID PLURALITY BEING AT LEAST ONE FEWER THAN SAID NUMBER.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |