Patent US3019486A successfully refreshed from Google Patents.
US3019486A
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Method of making plastic hinge
Assignee: Phillips Petroleum Co
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Filing: 1957-12-20
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Granted: 1962-02-06
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Expires: 1977-12-20
Abstract
No abstract record available.
Inventors
- 👤 Donald L Stinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:35
CPC Classifications
E; E05; E05D; E05D1/00; E05D1/02; B; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C53/06; B29C53/063; B29C65/00; B29C65/56; B29C65/562; B29C66/00; B29C66/70; B29C66/71; B29C37/00; B29C37/0053; B29C37/0057; Y; Y10; Y10S; Y10S135/00; Y10S135/909; Y10S16/00; Y10S16/13; Y10S16/42; Y10S264/00; Y10S264/66; Y10S273/00; Y10S273/04; Y10S425/00; Y10S425/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METHOD OF FORMING A FLEXIBLE JOINT IN A SEMI-RIGID, SOLID PLASTIC MATERIAL WHICH COMPRISES AS THE SOLE FORMATIVE STEP A REPEATED FLEXING OF THE MATERIAL ALONG A LINE FORMING THE AXIS OF DESIRED FLEWXIBILITY SO THAT THERE IS FORMED ALONG SAID LINE A REORIENTED NECKED-DOWN PORTION.
Claim 2
Independent Claim
47 words
A METHOD OF FORMING A FLEXIBLE JOINT IN A SEMI-RIGID, SOLID PLASTIC MATERIAL WHICH COMPRISES AS THE SOLE FORMATIVE STEP A REPEATED FLEXING OF THE MATERIAL ALONG A LINE FORMING THE AXIS OF DESIRED FLEWXIBILITY SO THAT THERE IS FORMED ALONG SAID LINE A REORIENTED NECKED-DOWN PORTION.
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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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |