Patent US3240915A successfully refreshed from Google Patents.
US3240915A
Expired / Lapsed
US
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Infra-red heater
Assignee: FOSTORIA CORP
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Filing: 1962-09-19
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Granted: 1966-03-15
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Richard H Carter
- 👤 Robert W Jeffery
- 👤 Charles A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:27
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0038; H05B3/0047; H05B3/0057; H05B3/0066; H05B3/0071; H05B3/0076
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN ELECTRIC INFRA-RED HEATER COMPRISING: (A) A LINEAR INFRA-RED EMITTER HAVING (1) A CENTRAL RAY EMITTING PORTION, AND (2) ELECTRICAL TERMINALS LOCATED AT THE ENDS THEREOF; (B) A HEAT CONDUCTING MATERIAL FORMING A SUBSTANTIAL HEAT SINK EXTENDING ALONG SAID EMITTING PORTION OF SAID EMITTER AND INCLUDING AN EXTENDING PART TO SUBSTANTIALLY SHIELD SAID TERMINALS FROM DIRECT AND/OR INDIRECT RAYS FROM SAID EMITTING PORTION, SAID HEAT CONDUCTING MATERIAL INCLUDING (1) AN INFRA-RED REFLECTING SURFACE ON SAID SHIELD EXTENDING PART AND ALONG SAID EMITTING PORTION OF SAID EMITTER, AND (2) A CHANNEL IN SAID MATERIAL AND SPACED BY SAID MATERIAL FROM SAID REFLECTING SURFACE FOR CONDUCTION OF A HEAT DISSIPATING FLUID TO COOL AND HELP PRESERVE SAID REFLECTING SURFACE AND TO COOL SAID MATERIAL INCLUDING SAID SHIELD EXTENDING PART WHICH SHIELDS SAID TERMINALS.
Claim 2
Dependent Claim
131 words
AN ELECTRIC INFRA-RED HEATER COMPRISING: (A) A LINEAR INFRA-RED EMITTER HAVING (1) A CENTRAL RAY EMITTING PORTION, AND (2) ELECTRICAL TERMINALS LOCATED AT THE ENDS THEREOF; (B) A HEAT CONDUCTING MATERIAL FORMING A SUBSTANTIAL HEAT SINK EXTENDING ALONG SAID EMITTING PORTION OF SAID EMITTER AND INCLUDING AN EXTENDING PART TO SUBSTANTIALLY SHIELD SAID TERMINALS FROM DIRECT AND/OR INDIRECT RAYS FROM SAID EMITTING PORTION, SAID HEAT CONDUCTING MATERIAL INCLUDING (1) AN INFRA-RED REFLECTING SURFACE ON SAID SHIELD EXTENDING PART AND ALONG SAID EMITTING PORTION OF SAID EMITTER, AND (2) A CHANNEL IN SAID MATERIAL AND SPACED BY SAID MATERIAL FROM SAID REFLECTING SURFACE FOR CONDUCTION OF A HEAT DISSIPATING FLUID TO COOL AND HELP PRESERVE SAID REFLECTING SURFACE AND TO COOL SAID MATERIAL INCLUDING SAID SHIELD EXTENDING PART WHICH SHIELDS SAID TERMINALS.
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |