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Patent US3384053A successfully refreshed from Google Patents.
US3384053A
Expired / Lapsed
US
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Assignee: Linde GmbH
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Filing: 1966-06-17
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Granted: 1968-05-21
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Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Kurt W Fleischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:05
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/007; F28F9/013; F28F9/0132; B; B01; B01J; B01J19/00; B01J19/0053; C; C10; C10G; C10G9/00; C10G9/14; C10G9/18; C10G9/20; F16; F16L; F16L3/00; F16L3/16; F22; F22B; F22B37/00; F22B37/02; F22B37/10; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00157
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A FURNACE, SAID FURNACE BEING ADAPTED TO HEAT SERPENTINE TUBE HAVING HORIZONTALLY DISPOSED PASSES ONE ABOVE THE OTHER, SAID FURNACE HAVING A CHAMBER IN WHICH THE TUBE IS DISPOSED AND A ROOF OVER THE CHAMBER, SUPPORTING STRUCTURE ABOVE THE ROOF, A PLATE ATTACHED TO SAID STRUCTURE AND EXTENDING THROUGH THE ROOF INTO THE CHAMBER, AN ELONGATED SUPPORT MEMBER, A PLURALITY OF TUBE SUPPORTING ARMS PROJECTING AT DIFFERENT LEVELS FROM OPPOSITE SIDES OF SAID MEMBER FOR SUPPORTING THE HORIZONTAL PASSES OF THE TUBE, AND MEANS MOUNTING SAID MEMBER FROM ONE END ON THE PORTION OF SAID PLATE IN SAID CHAMBER, SAID MOUNTING MEANS BEING OPERATIVE TO PERMIT PIVOTAL MOVEMENT OF SAID MEMBER ON SAID PLATE ONLY IN A DIRECTION PERPENDICULAR TO THE DIRECTION IN WHICH SAID ARMS EXTEND AND PARALLEL TO SAID TUBE PASSES.
Claim 2
Dependent Claim
133 words
A FURNACE, SAID FURNACE BEING ADAPTED TO HEAT SERPENTINE TUBE HAVING HORIZONTALLY DISPOSED PASSES ONE ABOVE THE OTHER, SAID FURNACE HAVING A CHAMBER IN WHICH THE TUBE IS DISPOSED AND A ROOF OVER THE CHAMBER, SUPPORTING STRUCTURE ABOVE THE ROOF, A PLATE ATTACHED TO SAID STRUCTURE AND EXTENDING THROUGH THE ROOF INTO THE CHAMBER, AN ELONGATED SUPPORT MEMBER, A PLURALITY OF TUBE SUPPORTING ARMS PROJECTING AT DIFFERENT LEVELS FROM OPPOSITE SIDES OF SAID MEMBER FOR SUPPORTING THE HORIZONTAL PASSES OF THE TUBE, AND MEANS MOUNTING SAID MEMBER FROM ONE END ON THE PORTION OF SAID PLATE IN SAID CHAMBER, SAID MOUNTING MEANS BEING OPERATIVE TO PERMIT PIVOTAL MOVEMENT OF SAID MEMBER ON SAID PLATE ONLY IN A DIRECTION PERPENDICULAR TO THE DIRECTION IN WHICH SAID ARMS EXTEND AND PARALLEL TO SAID TUBE PASSES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |