Patent US3147794A successfully refreshed from Google Patents.
US3147794A
Expired / Lapsed
US
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Heating tool for use in joining thermoplastic articles
Assignee: Tube Turns Plastics Inc
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Filing: 1963-06-10
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Granted: 1964-09-08
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 James R Shupe
- 👤 David W Baird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:21
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/51; B29C66/52; B29C66/522; B29C66/5221; B29C65/00; B29C65/02; B29C65/18; B29C65/20; B29C65/24; B29C65/28; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/80; B29C66/81; B29C66/816; B29C66/8167; B29C66/84; B29C66/861; B29C66/90; B29C66/91; B29C66/912; B29C66/9121; B29C66/91231; B29C66/914; B29C66/9141; B29C66/91421; B29C66/91431; B29C66/70; B29C66/71; B29K; B29K2027/00; B29K2027/12; B29K2027/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A HEATING TOOL FOR USE IN JOINING A PAIR OF THERMOPLASTIC TUBULAR ARTICLES TO EACH OTHER AND INCLUDING, A METALLIC BODY MEMBER OF GENERALLY PARALLELEPIPED FORM HAVING A COMBUSTION CHAMBER THEREIN, A BAFFLE CHAMBER WITHIN SAID BODY MEMBER COMMUNICATING WITH SAID COMBUSTION CHAMBER, MEANS ATTACHED TO A FIRST FACE OF SAID BODY MEMBER FOR SUPPLYING FUEL TO SAID COMBUSTION CHAMBER THEREBY TO HEAT SAID BODY MEMBER AND ITS ATTACHED PARTS DURING BURNING OF THE FUEL, A FIRST DIE MOUNTED UPON A SECOND FACE OF SAID BODY MEMBER, A SECOND DIE MOUNTED UPON A THIRD FACE OF SAID BODY MEMBER, EACH OF SAID DIES BEING IN INTIMATE HEAT CONDUCTING RELATION TO SAID BODY MEMBER AND BEING DIMENSIONED RELATION TO SAID BODY MEMBER AND BEING DIMENSIONED RESPECTIVELY TO FIT INTO THE END OF ONE OF THE PAIR OF ARTICLES TO BE JOINED AND AROUND THE END OF THE OTHER SUCH ARTICLE, HANDLE MEANS ATTACHED TO A FACE OF SAID BODY MEMBER OTHER THAN ONE OF SAID FIRST, SECOND OR THIRD FACES; AND EXHAUST MEANS COMMUNICATING WITH SAID BAFFLE CHAMBER AND ARRANGED TO VENT COMBUSTION PRODUCTS FROM SAID BODY MEMBER IN A DIRECTION AWAY FROM SAID DIES, SAID HANDLE MEANS AND SAID FUEL SUPPLY MEANS.
Claim 2
Dependent Claim
202 words
A HEATING TOOL FOR USE IN JOINING A PAIR OF THERMOPLASTIC TUBULAR ARTICLES TO EACH OTHER AND INCLUDING, A METALLIC BODY MEMBER OF GENERALLY PARALLELEPIPED FORM HAVING A COMBUSTION CHAMBER THEREIN, A BAFFLE CHAMBER WITHIN SAID BODY MEMBER COMMUNICATING WITH SAID COMBUSTION CHAMBER, MEANS ATTACHED TO A FIRST FACE OF SAID BODY MEMBER FOR SUPPLYING FUEL TO SAID COMBUSTION CHAMBER THEREBY TO HEAT SAID BODY MEMBER AND ITS ATTACHED PARTS DURING BURNING OF THE FUEL, A FIRST DIE MOUNTED UPON A SECOND FACE OF SAID BODY MEMBER, A SECOND DIE MOUNTED UPON A THIRD FACE OF SAID BODY MEMBER, EACH OF SAID DIES BEING IN INTIMATE HEAT CONDUCTING RELATION TO SAID BODY MEMBER AND BEING DIMENSIONED RELATION TO SAID BODY MEMBER AND BEING DIMENSIONED RESPECTIVELY TO FIT INTO THE END OF ONE OF THE PAIR OF ARTICLES TO BE JOINED AND AROUND THE END OF THE OTHER SUCH ARTICLE, HANDLE MEANS ATTACHED TO A FACE OF SAID BODY MEMBER OTHER THAN ONE OF SAID FIRST, SECOND OR THIRD FACES; AND EXHAUST MEANS COMMUNICATING WITH SAID BAFFLE CHAMBER AND ARRANGED TO VENT COMBUSTION PRODUCTS FROM SAID BODY MEMBER IN A DIRECTION AWAY FROM SAID DIES, SAID HANDLE MEANS AND SAID FUEL SUPPLY MEANS.
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |