Patent US3337716A successfully refreshed from Google Patents.
US3337716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating structure, particularly for welding plastics
Assignee: Individual
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Filing: 1964-11-04
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Granted: 1967-08-22
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Nittel Eugenie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:28
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/02; H05B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN AN ASSEMBLY FOR WELDING PLASTICS, IN COMBINATION, AN ELONGATED ELECTRICALLY CONDUCTIVE ENDLESS HEATING ELEMENT; AND A PAIR OF DIAMETRICALLY OPPOSED ELECTRICAL CONNECTION MEANS FIXED TO SAID HEATING ELEMENT FOR CONNECTING THE LATTER INTO AN ELECTRICAL CIRCUIT, EACH OF SAID ELECTRICAL CONNECTION MEANS INCLUDING PAIR OF ELECTRICALLY CONDUCTIVE PORTIONS CONTACTING SAID HEATING ELEMENT AND LOCATED ADJACENT BUT ANGULARLY OFFSET WITH RESPECT TO EACH OTHER ON OPPOSITE SIDES OF SAID ENDLESS HEATING ELEMENT FOR LEADING CURRENT INTO SAID HEATING ELEMENT AT OPPOSITE SIDES THEREOF, AND SAID HEATING ELEMENT AND PAIR OF ELECTRICAL CONNECTION MEANS FORMING A ONE-PIECE STRUCTURE WITH SAID PAIR OF CONNECTION MEANS INTEGRALLY CONNECTED WITH SAID HEATING ELEMENT, WHEREBY SAID HEATING ELEMENT IS UNIFORMLY HEATED THROUGHOUT IT LENGTH THROUGH UNIFORM DISTRIBUTION OF ELECTRICAL CURRENT WITHIN SAID HEATING ELEMENT.
Claim 2
Dependent Claim
129 words
IN AN ASSEMBLY FOR WELDING PLASTICS, IN COMBINATION, AN ELONGATED ELECTRICALLY CONDUCTIVE ENDLESS HEATING ELEMENT; AND A PAIR OF DIAMETRICALLY OPPOSED ELECTRICAL CONNECTION MEANS FIXED TO SAID HEATING ELEMENT FOR CONNECTING THE LATTER INTO AN ELECTRICAL CIRCUIT, EACH OF SAID ELECTRICAL CONNECTION MEANS INCLUDING PAIR OF ELECTRICALLY CONDUCTIVE PORTIONS CONTACTING SAID HEATING ELEMENT AND LOCATED ADJACENT BUT ANGULARLY OFFSET WITH RESPECT TO EACH OTHER ON OPPOSITE SIDES OF SAID ENDLESS HEATING ELEMENT FOR LEADING CURRENT INTO SAID HEATING ELEMENT AT OPPOSITE SIDES THEREOF, AND SAID HEATING ELEMENT AND PAIR OF ELECTRICAL CONNECTION MEANS FORMING A ONE-PIECE STRUCTURE WITH SAID PAIR OF CONNECTION MEANS INTEGRALLY CONNECTED WITH SAID HEATING ELEMENT, WHEREBY SAID HEATING ELEMENT IS UNIFORMLY HEATED THROUGHOUT IT LENGTH THROUGH UNIFORM DISTRIBUTION OF ELECTRICAL CURRENT WITHIN SAID HEATING ELEMENT.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |