Patent US2933428A successfully refreshed from Google Patents.
US2933428A
Expired / Lapsed
US
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Plastic welding
Assignee: Mueller Co
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Filing: 1956-03-21
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Granted: 1960-04-19
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Expires: 1976-03-21
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:37
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/06; B29C65/0672; B29C65/069; B29C65/56; B29C65/561; B29C65/78; B29C65/7841; B29C65/7844; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/12; B29C66/122; B29C66/1222; B29C66/1224; B29C66/128; B29C66/1282; B29C66/12821; B29C66/1284; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C66/5223; B29C66/52231; B29C66/5224; B29C66/52241; B29C66/5229; B29C66/52291; B29C66/52292; B29C66/52296; B29C66/52298; B29C66/53; B29C66/534; B29C66/5344; B29C66/55; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; F; F16; F16L; F16L47/00; F16L47/02; B29C66/70; B29C66/71; B29K; B29K2001/00; B29K2001/08; B29K2001/12; B29K2001/14; B29K2023/00; B29K2023/04; B29K2023/06; B29K2025/00; B29K2027/00; B29K2027/06; B29K2027/08; B29K2077/00; B29K2101/00; B29K2101/12; B29L; B29L2031/00; B29L2031/24; B29L2031/243; B29L2031/246; Y; Y10; Y10S; Y10S285/00; Y10S285/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE METHOD OF WELDING TO A PLASTIC FITTING PART A PLASTIC PIPE PART HAVING AN END SECTION OF SUBSTANTIALLY UNIFORM OUTSIDE DIAMETER TERMINATING IN A SUBSTANTIALLY FLAT ANNULAR END FACE, THE STEPS COMPRISING: FORMING IN THE FITTING PART AN ELONGATED SLIGHTLY-INWARDLY-TAPERING SOCKET HAVING A DEPTH APPROXIMATING THE DIAMETER OF SAID PIPE PART END SECTION, AN INTERIOR DIAMETER AT ITS OUTER END AT LEAST AS GREAT AS THE OUTSIDE DIAMETER OF SAID PIPE PART END SECTION, AND INNER SECTION OF SUBSTANTIAL LENGTH WHICH EXTENDS OUTWARDLY FROM THE BOTTOM OF SAID SOCKET AND HAS A MAXIMUM DIAMETER LESS THAN THE OUTSIDE DIAMETER OF SAID PIPE PART END SECTION, INSERTING SAID PIPE PART END SECTION INTO SAID SOCKET UNTIL SAID END
Claim 2
Independent Claim
118 words
THE METHOD OF WELDING TO A PLASTIC FITTING PART A PLASTIC PIPE PART HAVING AN END SECTION OF SUBSTANTIALLY UNIFORM OUTSIDE DIAMETER TERMINATING IN A SUBSTANTIALLY FLAT ANNULAR END FACE, THE STEPS COMPRISING: FORMING IN THE FITTING PART AN ELONGATED SLIGHTLY-INWARDLY-TAPERING SOCKET HAVING A DEPTH APPROXIMATING THE DIAMETER OF SAID PIPE PART END SECTION, AN INTERIOR DIAMETER AT ITS OUTER END AT LEAST AS GREAT AS THE OUTSIDE DIAMETER OF SAID PIPE PART END SECTION, AND INNER SECTION OF SUBSTANTIAL LENGTH WHICH EXTENDS OUTWARDLY FROM THE BOTTOM OF SAID SOCKET AND HAS A MAXIMUM DIAMETER LESS THAN THE OUTSIDE DIAMETER OF SAID PIPE PART END SECTION, INSERTING SAID PIPE PART END SECTION INTO SAID SOCKET UNTIL SAID END
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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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |