US3230347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating appliances
Assignee: Individual
•
Filing: 1963-06-10
•
Granted: 1966-01-18
•
Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Beck Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:27
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/001; D; D02; D02J; D02J13/00; D02J13/005; F26B13/10; F26B13/14; F26B13/18; F26B13/183; H; H05; H05B; H05B3/00; H05B3/0014; H05B3/0095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN AN ELECTRIC HEATING APPLIANCE FOR HEATING SYNTHETIC FIBERS PRIOR TO STRETCHING, SAID APPLIANCE COMPRISING AN OUTER ANNULAR MEMBER DEFINING AN OUTER SUBSTANTIALLY CYLINDRICAL HEATING SURFACE OVER WHICH SAID FIBERS ARE CONDUCTED, SAID OUTER ANNULAR MEMBER HAVING HEAT CONDUCTING CHARACTERISTICS, INTERIORLY AND ANNULARLY OF SAID RESISTOR HEATING MEANS MOUNTED IN HEAT CONDUCTING RELATIONSHIP WITH SAID OUTER ANNULAR MEMBER FOR HEATING SAID CYLINDRICL FIBER HEATING SURFACE, AND TEMPERATURE MEASURING RESISTOR MEANS ANNULARLY INTERPOSED BETWEEN AND IN HEAT CONDUCTING RELATIONSHIP WITH SAID OUTER ANNULAR MEMBER AND SAID ANNULAR RESISTOR HEATING MEANS FOR DETECTING THE TEMPERATURE OF THE SAID HEATING SURFACE AND FOR CONTROLLING THE ELECTRICAL SUPPLY CIRCUIT FOR SAID RESISTOR HEATING MEANS IN ORDER TO MAINTAIN THE TEMPERATURE OF SAID FIBER HEATING SURFACE WITHIN CLOSE TOLERANCES.
Claim 2
Dependent Claim
124 words
IN AN ELECTRIC HEATING APPLIANCE FOR HEATING SYNTHETIC FIBERS PRIOR TO STRETCHING, SAID APPLIANCE COMPRISING AN OUTER ANNULAR MEMBER DEFINING AN OUTER SUBSTANTIALLY CYLINDRICAL HEATING SURFACE OVER WHICH SAID FIBERS ARE CONDUCTED, SAID OUTER ANNULAR MEMBER HAVING HEAT CONDUCTING CHARACTERISTICS, INTERIORLY AND ANNULARLY OF SAID RESISTOR HEATING MEANS MOUNTED IN HEAT CONDUCTING RELATIONSHIP WITH SAID OUTER ANNULAR MEMBER FOR HEATING SAID CYLINDRICL FIBER HEATING SURFACE, AND TEMPERATURE MEASURING RESISTOR MEANS ANNULARLY INTERPOSED BETWEEN AND IN HEAT CONDUCTING RELATIONSHIP WITH SAID OUTER ANNULAR MEMBER AND SAID ANNULAR RESISTOR HEATING MEANS FOR DETECTING THE TEMPERATURE OF THE SAID HEATING SURFACE AND FOR CONTROLLING THE ELECTRICAL SUPPLY CIRCUIT FOR SAID RESISTOR HEATING MEANS IN ORDER TO MAINTAIN THE TEMPERATURE OF SAID FIBER HEATING SURFACE WITHIN CLOSE TOLERANCES.
References Cited (Backward Citations)
US2575113A
Cited
US2222817A
Cited
US2639485A
Cited
US2777931A
Cited
US2834860A
Cited
US2790884A
Cited
US2864229A
Cited
US3020383A
Cited
US3028473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |