Patent US2738140A successfully refreshed from Google Patents.
US3236205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature furnace
Assignee: Baird Atomic Inc
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Filing: 1961-04-24
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Granted: 1966-02-22
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Kopito Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:25
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/62; D; D01; D01F; D01F9/00; D01F9/08; D01F9/12; D01F9/14; D01F9/32; F; F27; F27D; F27D11/00; F27D11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN ELECTRIC DEVICE COMPRISING A HOUSING DEFINING A CHAMBER, SAID HOUSING INCLUDING A PAIR OF FLUID COOLANT CONDUITS MOUNTED ON SAID HOUSING WITHIN SAID CHAMBER, ONE OF SAID CONDUITS CARRYING A FIRST HOLDER, THE OTHER OF SAID CONDUITS CARRYING A SECOND HOLDER, A GRAPHITE FABRIC SECTION CONNECTED BETWEEN SAID FIRST HOLDER AND SAID SECOND HOLDER, MEANS FOR FLOWING SAID FLUID COOLANT THROUGH SAID CONDUITS, MEANS FOR APPLYING ELECTRICAL POWER BETWEEN SAID FIRST HOLDER AND SAID SECOND HOLDER, SAID FIRST HOLDER AND SAID SECOND HOLDER EACH INCLUDING A PAIR OF HOLDER ELEMENTS EACH OF SAID ELEMENTS PRESENTING A PROFILE THAT IS AT LEAST PARTLY SKEW WITH RESPECT TO THE AXES OF SAID HOLDERS, WHEREBY SAID GRAPHITE FABRIC SECTION DEFINES A BOAT FOR THE RECEPTION OF MATERIAL TO BE HEATED.
Claim 2
Dependent Claim
128 words
AN ELECTRIC DEVICE COMPRISING A HOUSING DEFINING A CHAMBER, SAID HOUSING INCLUDING A PAIR OF FLUID COOLANT CONDUITS MOUNTED ON SAID HOUSING WITHIN SAID CHAMBER, ONE OF SAID CONDUITS CARRYING A FIRST HOLDER, THE OTHER OF SAID CONDUITS CARRYING A SECOND HOLDER, A GRAPHITE FABRIC SECTION CONNECTED BETWEEN SAID FIRST HOLDER AND SAID SECOND HOLDER, MEANS FOR FLOWING SAID FLUID COOLANT THROUGH SAID CONDUITS, MEANS FOR APPLYING ELECTRICAL POWER BETWEEN SAID FIRST HOLDER AND SAID SECOND HOLDER, SAID FIRST HOLDER AND SAID SECOND HOLDER EACH INCLUDING A PAIR OF HOLDER ELEMENTS EACH OF SAID ELEMENTS PRESENTING A PROFILE THAT IS AT LEAST PARTLY SKEW WITH RESPECT TO THE AXES OF SAID HOLDERS, WHEREBY SAID GRAPHITE FABRIC SECTION DEFINES A BOAT FOR THE RECEPTION OF MATERIAL TO BE HEATED.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |