US3229358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of manufacturing heating means for de-icing static ports and the like
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1961-09-19
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Granted: 1966-01-18
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Expires: 1981-09-19
Abstract
No abstract record available.
Inventors
- 👤 Marvin D Scadron
- 👤 Otto J Cousins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:24
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/48; B; B64; B64D; B64D15/00; B64D15/12; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49087; Y10T29/49089; Y10T29/49091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE METHOD OF FABRICATING AN ELECTRICAL HEATER OF THE TYPE COMPRISING A METALLIC SHEATH ENCLOSING A CONDUCTIVE ELEMENT OF HIGH ELECTRICAL RESISTANCE AND IN WHICH THE ELEMENT IS SPACED FROM, AND SUPPORTED RELATIVE TO THE SHEATH BY A MATRIX OF ELECTRICALLY-INSULATING MATERIAL, WHICH COMPRISES: PROVIDING A SHEATH OF TUBULAR FORM, ASSEMBLYING THE ELEMENT ON A SUPPORT OF FRIABLE, ELECTRICALLY-INSULATING MATERIAL, SAID SUPPORT BEING A SLIP FIT IN THE SHEATH, INSERTING THE SUPPORT WITH THE THEREON-SUPPORTED ELEMENT IN THE SHEATH, INSERTING A FRIABLE PLUG IN AT LEAST ONE END OF THE SHEATH ABUTTING ONE END OF THE SUPPORT, TEMPORARILY ATTACHING AN INCOMPRESSIBLE ROD-LIKE
Claim 2
Independent Claim
102 words
THE METHOD OF FABRICATING AN ELECTRICAL HEATER OF THE TYPE COMPRISING A METALLIC SHEATH ENCLOSING A CONDUCTIVE ELEMENT OF HIGH ELECTRICAL RESISTANCE AND IN WHICH THE ELEMENT IS SPACED FROM, AND SUPPORTED RELATIVE TO THE SHEATH BY A MATRIX OF ELECTRICALLY-INSULATING MATERIAL, WHICH COMPRISES: PROVIDING A SHEATH OF TUBULAR FORM, ASSEMBLYING THE ELEMENT ON A SUPPORT OF FRIABLE, ELECTRICALLY-INSULATING MATERIAL, SAID SUPPORT BEING A SLIP FIT IN THE SHEATH, INSERTING THE SUPPORT WITH THE THEREON-SUPPORTED ELEMENT IN THE SHEATH, INSERTING A FRIABLE PLUG IN AT LEAST ONE END OF THE SHEATH ABUTTING ONE END OF THE SUPPORT, TEMPORARILY ATTACHING AN INCOMPRESSIBLE ROD-LIKE
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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) | 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 |