US3263016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Black-body furnace
Assignee: Individual
•
Filing: 1963-10-30
•
Granted: 1966-07-26
•
Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 Branstetter James Robert
- 👤 Allen J Metzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:45
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A SUPPORTING STRUCTURE FOR A HIGH TEMPERATURE CALIBRATION FURNACE ASSEMBLY OF THE TYPE HAVING AN RF HEATED CARBON ROD WITH A RADIATING CHAMBER IN THE FRONT PORTION THEREOF AND RADIAL SLOTS IN THE REAR PORTION TO REDUCE HEAT LOSSES, SAID SUPPORT STRUCTURE COMPRISING A WATER-COOLED HOUSING AT THE REAR OF THE CARBON ROD, AND A SLEEVE AFFIXED TO SAID HOUSING, SAID HOUSING AND SLEEVE CONNECTED TO AND SUPPORTING SAID FURNACE WHEREBY EXCESSIVE HEAT BUILD-UP IN THE SUPPORTING STRUCTURE IS PREVENTED.
References Cited (Backward Citations)
US2952762A
Cited
US697877A
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US2603669A
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US2527294A
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US2673228A
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US2704817A
Cited
US3036888A
Cited
US3138697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |