US3201560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-arc heater
Assignee: Individual
•
Filing: 1963-03-12
•
Granted: 1965-08-17
•
Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Robert F Mayo
- 👤 Milton A Wallio
- 👤 William L Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:42
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/18; H05B7/185; F; F03; F03H; F03H1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN ELECTRIC-ARC HEATER COMPRISING: A CYLINDRICAL WALL ELECTRODE DEFINING AN AXIALLY EXTENDING CHAMBER; A HEAD MEMBER ENCLOSING THE FORWARD END OF SAID CHAMBER; A NOZZLE ASSEMBLY POSITIONED AT THE AFTER END CHAMBER; A SECOND ELECTRODE POSITIONED WITHIN SAID CYLINDRICAL WALL ELECTRODE AND EXTENDING COAXIALLY THEREWITH; SAID SECOND ELECTRODE BEING SUPPORTED IN SAID HEAD MEMBER; AN ELECTRICAL CIRCUIT INCLUDING A UNI-DIRECTIONAL CURRENT SOURCE CONNECTING SAID COAXIAL ELECTRODES; A COIL SURROUNDING SIAD WALL ELECTRODE FOR PROVIDING A MAGNETIC FIELD DIRECTED AXIALLY OF SAID CHAMBER HAVING A FLUX INTENSITY OF
Claim 2
Dependent Claim
87 words
AN ELECTRIC-ARC HEATER COMPRISING: A CYLINDRICAL WALL ELECTRODE DEFINING AN AXIALLY EXTENDING CHAMBER; A HEAD MEMBER ENCLOSING THE FORWARD END OF SAID CHAMBER; A NOZZLE ASSEMBLY POSITIONED AT THE AFTER END CHAMBER; A SECOND ELECTRODE POSITIONED WITHIN SAID CYLINDRICAL WALL ELECTRODE AND EXTENDING COAXIALLY THEREWITH; SAID SECOND ELECTRODE BEING SUPPORTED IN SAID HEAD MEMBER; AN ELECTRICAL CIRCUIT INCLUDING A UNI-DIRECTIONAL CURRENT SOURCE CONNECTING SAID COAXIAL ELECTRODES; A COIL SURROUNDING SIAD WALL ELECTRODE FOR PROVIDING A MAGNETIC FIELD DIRECTED AXIALLY OF SAID CHAMBER HAVING A FLUX INTENSITY OF
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |