Patent US3249741A successfully refreshed from Google Patents.
US3249741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for baking by differential wave lengths
Assignee: Reflectotherm Inc
•
Filing: 1963-05-20
•
Granted: 1966-05-03
•
Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence A Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:18
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; H05B6/782; A; A21; A21B; A21B2/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN APPARATUS FOR BAKING BY DIFFERENTIAL WAVE LENGTHS COMPRISING AN OVEN HAVING ENCLOSING WALLS WITH AT LEAST ONE OPENING FOR THE PASSAGE OF PRODUCTS TO BE BAKED; MEANS WITHIN SAID OVEN FOR SUPPORTING SAID PRODUCT TO BE BAKED; AT LEAST ONE SOURCE OF ULTRA-LONG WAVE LENGTH INFRARED RADIATION ABOVE SAID MEANS FOR SUPPORTING SAID PRODUCT TO BE BAKED, SAID SOURCE OF ULTRA-LONG WAVE LENGTH INFRARED RADIATION COMPRISING A HEATING PLATE, THE OUTER SURFACE OF SAID PLATE BEING COATED WITH ARMORPHOUS CARBON BLACK; MEANS FOR HEATING SAID PLATE TO A TEMPERATURE IN THE RANGE OF 400* TO 550*F.; AND AT LEAST ONE SOURCE OF SHORT WAVE LENGTH INFRARED RADIATION ABOVE AND BELOW SAID MEANS FOR SUPPORTING SAID PRODUCT TO BE BAKED.
Claim 2
Independent Claim
120 words
AN APPARATUS FOR BAKING BY DIFFERENTIAL WAVE LENGTHS COMPRISING AN OVEN HAVING ENCLOSING WALLS WITH AT LEAST ONE OPENING FOR THE PASSAGE OF PRODUCTS TO BE BAKED; MEANS WITHIN SAID OVEN FOR SUPPORTING SAID PRODUCT TO BE BAKED; AT LEAST ONE SOURCE OF ULTRA-LONG WAVE LENGTH INFRARED RADIATION ABOVE SAID MEANS FOR SUPPORTING SAID PRODUCT TO BE BAKED, SAID SOURCE OF ULTRA-LONG WAVE LENGTH INFRARED RADIATION COMPRISING A HEATING PLATE, THE OUTER SURFACE OF SAID PLATE BEING COATED WITH ARMORPHOUS CARBON BLACK; MEANS FOR HEATING SAID PLATE TO A TEMPERATURE IN THE RANGE OF 400* TO 550*F.; AND AT LEAST ONE SOURCE OF SHORT WAVE LENGTH INFRARED RADIATION ABOVE AND BELOW SAID MEANS FOR SUPPORTING SAID PRODUCT TO BE BAKED.
References Cited (Backward Citations)
US2146427A
Cited
US2340354A
Cited
US2504110A
Cited
US2454370A
Cited
US2824943A
Cited
US2924695A
Cited
US3003409A
Cited
US3119354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |