Patent US2707161A successfully refreshed from Google Patents.
US2707161A
Expired / Lapsed
US
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Method of joining complementary portions of a cylindrical hollow thermoplastic article
Assignee: Individual
•
Filing: 1952-06-24
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Granted: 1955-04-26
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Expires: 1972-06-24
Abstract
No abstract record available.
Inventors
- 👤 Stern Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:16
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/28; B29C66/001; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/65; B29C66/80; B29C66/82; B29C66/826; B29C66/83; B29C66/836; B29C66/70; B29C66/71; B29C66/8266; B29C66/82661; B29L; B29L2031/00; B29L2031/712; B29L2031/7158; Y; Y10; Y10S; Y10S264/00; Y10S264/76; Y10S285/00; Y10S285/919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF JOINING COMPLEMENTARY PORTIONS OF A CYLINDRICAL HOLLOW ARTICLE OF THERMOPLASTIC MATERIAL, COMPRISING THE STEPS OF BRINGING THE EDGES OF SAID PORTIONS INTO ANNULAR ABUTMENT WITH EACH OTHER TO FORM A JOINT, CONFINING SAID JOINT WITHIN A CONCENTRICALLY DISPOSED OUTER CYLINDER TO MAINTAIN IT AGAINST RADIAL DISPLACEMENT, ROTATING SAID JOINT AND CYLINDER SIMULTANEOUSLY, AND APPLYING SUFFICIENT HEAT TO THE AREA OF THE JOINT TO CAUSE FUSION OF THE JOINT DURING SAID ROTATION.
Claim 2
Independent Claim
74 words
THE METHOD OF JOINING COMPLEMENTARY PORTIONS OF A CYLINDRICAL HOLLOW ARTICLE OF THERMOPLASTIC MATERIAL, COMPRISING THE STEPS OF BRINGING THE EDGES OF SAID PORTIONS INTO ANNULAR ABUTMENT WITH EACH OTHER TO FORM A JOINT, CONFINING SAID JOINT WITHIN A CONCENTRICALLY DISPOSED OUTER CYLINDER TO MAINTAIN IT AGAINST RADIAL DISPLACEMENT, ROTATING SAID JOINT AND CYLINDER SIMULTANEOUSLY, AND APPLYING SUFFICIENT HEAT TO THE AREA OF THE JOINT TO CAUSE FUSION OF THE JOINT DURING SAID ROTATION.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |