US3347539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust receiving hood
Assignee: Raymond Kaiser Engineers Inc
•
Filing: 1964-10-23
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Granted: 1967-10-17
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Mitchell Hartman
- 👤 Alexander T Dortenzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:07
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/38; C21C5/40; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A HOOD FOR A BASIC OXYGEN TYPE FURNACE COMPRISING: (A) A FRAME STRUCTURE DISPOSED RELATIVE TO SAID FURNACE INCLUDING A PLURALITY OF SPACED APRART FLUID CONDUCTIVE TUBULAR MEMBERS; (B) A PLURALITY OF CLOSED-ENDED RECTANGULAR HOLLOW MEMBERS DISPOSED IN SIDE-ABUTTING RELATION FORMING A PANEL STRUCTURE; (C) FLUID INLET AND OUTLET TUBULAR HEADERS DISPOSED ADJACENT OPPOSITE ENDS OF EACH PANEL COMPRISING SAID PANEL STRUCTURE; (D) FLUID CONDUIT MEANS COMMUNICATING SAID HEADERS TO THE ADJACENT PANEL WHEREBY FLUID ENTERING SAID INLET HEADER COURSES THE HOLLOW MEMBERS OF SUCH PANEL AND FLOWS THEREFROM VIA SAID OUTLET HEADER; (E) A PLURALITY OF SAID PANELS SUBSTANTIALLY FIXED TO SAID FRAME STRUCTURE AND SPACED APART LATERALLY TO FORM AN OPEN-ENDED CONDUIT FOR THE EFFLUENT FROM SAID FURNACE; (F) CONDUIT MEANS FLUIDLY CONNECTING SAID HEADERS TO SAID TUBULAR FRAME; AND
Claim 2
Dependent Claim
132 words
A HOOD FOR A BASIC OXYGEN TYPE FURNACE COMPRISING: (A) A FRAME STRUCTURE DISPOSED RELATIVE TO SAID FURNACE INCLUDING A PLURALITY OF SPACED APRART FLUID CONDUCTIVE TUBULAR MEMBERS; (B) A PLURALITY OF CLOSED-ENDED RECTANGULAR HOLLOW MEMBERS DISPOSED IN SIDE-ABUTTING RELATION FORMING A PANEL STRUCTURE; (C) FLUID INLET AND OUTLET TUBULAR HEADERS DISPOSED ADJACENT OPPOSITE ENDS OF EACH PANEL COMPRISING SAID PANEL STRUCTURE; (D) FLUID CONDUIT MEANS COMMUNICATING SAID HEADERS TO THE ADJACENT PANEL WHEREBY FLUID ENTERING SAID INLET HEADER COURSES THE HOLLOW MEMBERS OF SUCH PANEL AND FLOWS THEREFROM VIA SAID OUTLET HEADER; (E) A PLURALITY OF SAID PANELS SUBSTANTIALLY FIXED TO SAID FRAME STRUCTURE AND SPACED APART LATERALLY TO FORM AN OPEN-ENDED CONDUIT FOR THE EFFLUENT FROM SAID FURNACE; (F) CONDUIT MEANS FLUIDLY CONNECTING SAID HEADERS TO SAID TUBULAR FRAME; AND
References Cited (Backward Citations)
US2855194A
Cited
US2752410A
Cited
US2847206A
Cited
US2940733A
Cited
US2964304A
Cited
US3154406A
Cited
US3170017A
Cited
US3138649A
Cited
US3224841A
Cited
US3197186A
Cited
US3173980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |