Patent US3248099A successfully refreshed from Google Patents.
US3248099A
Expired / Lapsed
US
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Infra-red industrial oven
Assignee: Individual
•
Filing: 1963-11-20
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Granted: 1966-04-26
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Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Rudolph S Bratko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:21
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/28; F26B3/30; F26B3/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN AN OVEN OF THE CLASS DESCRIBED, IN COMBINATION, AN OUTER SHELL OF NON-PERMEABLE MATERIAL, AN AIR PERVIOUS MEMBER SPACED THEREFROM, SAID MEMBER COMPRISED OF A NON-CATALYTICALLY ACTIVATED REFRACTORY FIBRE MAT WHOSE FIBRES CONSIST ESSENTIALLY OF ALUMINA AND SILICA, MEANS TO SUPPORT SAID MEMBER AND PROVIDE A CHAMBER BETWEEN THE MATERIAL AND MEMBER, MEANS TO SUPPLY A COMBUSTIBLE MIXTURE TO THE CHAMBER AND OUTWARDLY THROUGH THE MEM-
Claim 2
Dependent Claim
67 words
IN AN OVEN OF THE CLASS DESCRIBED, IN COMBINATION, AN OUTER SHELL OF NON-PERMEABLE MATERIAL, AN AIR PERVIOUS MEMBER SPACED THEREFROM, SAID MEMBER COMPRISED OF A NON-CATALYTICALLY ACTIVATED REFRACTORY FIBRE MAT WHOSE FIBRES CONSIST ESSENTIALLY OF ALUMINA AND SILICA, MEANS TO SUPPORT SAID MEMBER AND PROVIDE A CHAMBER BETWEEN THE MATERIAL AND MEMBER, MEANS TO SUPPLY A COMBUSTIBLE MIXTURE TO THE CHAMBER AND OUTWARDLY THROUGH THE MEM-
References Cited (Backward Citations)
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |