Patent US3312979A successfully refreshed from Google Patents.
US3312979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal recording matrix
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1965-02-23
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Granted: 1967-04-04
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Expires: 1985-02-23
Abstract
No abstract record available.
Inventors
- 👤 Torre Edward Della
- 👤 Orsen Stefan
- 👤 Engelberg Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:23
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/315; B41J2/32; G; G01; G01D; G01D15/00; G01D15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
APPARATUS FOR RECORDING A SPOT ON A THERMOSENSITIVE RECORD MEDIUM COMPRISING A FIRST ELECTRICAL CONDUCTOR, AN ELECTRICAL RESISTANCE MEANS SURROUNDING AT LEAST A PORTION OF SAID FIRST ELECTRICAL CONDUCTOR AND IN INTIMATE ELECTRICAL CONTACT THEREWITH, SAID ELECTRICAL RESISTANCE MEANS BEING ADAPTED TO BE POSITIONED AGAINST SAID THERMOSENSITIVE RECORD MEDIUM, A SECOND ELECTRICAL CONDUCTOR INTERSECTING SAID FIRST ELECTRICAL CONDUCTOR AND SPACED FROM SAID FIRST ELECTRICAL CONDUCTOR, SAID SECOND CONDUCTOR BEING IN INTIMATE ELECTRICAL CONTACT WITH SAID ELECTRICAL RESISTANCE MEANS, AND MEANS FOR APPLYING A SOURCE OF ELECTRIC CURRENT TO SAID FIRST AND SECOND CONDUCTORS SO THAT ELECTRIC CURRENT FLOWS FROM SAID FIRST CONDUCTOR VIA SAID ELECTRICAL RESISTANCE MEANS TO SAID SECOND CONDUCTOR WHEREBY THE PORTION OF SAID ELECTRICAL RESISTANCE MEANS IN THE ELECTRIC CURRENT FLOW PATH IS HEATED BY SAID CURRENT FLOW.
Claim 2
Dependent Claim
131 words
APPARATUS FOR RECORDING A SPOT ON A THERMOSENSITIVE RECORD MEDIUM COMPRISING A FIRST ELECTRICAL CONDUCTOR, AN ELECTRICAL RESISTANCE MEANS SURROUNDING AT LEAST A PORTION OF SAID FIRST ELECTRICAL CONDUCTOR AND IN INTIMATE ELECTRICAL CONTACT THEREWITH, SAID ELECTRICAL RESISTANCE MEANS BEING ADAPTED TO BE POSITIONED AGAINST SAID THERMOSENSITIVE RECORD MEDIUM, A SECOND ELECTRICAL CONDUCTOR INTERSECTING SAID FIRST ELECTRICAL CONDUCTOR AND SPACED FROM SAID FIRST ELECTRICAL CONDUCTOR, SAID SECOND CONDUCTOR BEING IN INTIMATE ELECTRICAL CONTACT WITH SAID ELECTRICAL RESISTANCE MEANS, AND MEANS FOR APPLYING A SOURCE OF ELECTRIC CURRENT TO SAID FIRST AND SECOND CONDUCTORS SO THAT ELECTRIC CURRENT FLOWS FROM SAID FIRST CONDUCTOR VIA SAID ELECTRICAL RESISTANCE MEANS TO SAID SECOND CONDUCTOR WHEREBY THE PORTION OF SAID ELECTRICAL RESISTANCE MEANS IN THE ELECTRIC CURRENT FLOW PATH IS HEATED BY SAID CURRENT FLOW.
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) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |