US2878170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for the hydraulic joint of a coke oven door and for like closures
Assignee: Individual
•
Filing: 1955-10-24
•
Granted: 1959-03-17
•
Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Forsans Pierre Eugene Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:52
CPC Classifications
C; C10; C10B; C10B25/00; C10B25/02; C10B25/16; Y; Y10; Y10S; Y10S277/00; Y10S277/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A HYDRAULIC JOINT FOR TIGHTLY SEALING A COKE-OVEN DOOR ELEMENT AGAINST AN EMBRASURE ELEMENT COMPRISING AN METALLIC CHANNEL MEMBER FIXED TO AND ENCIRCLING THE EDGE OF ONE OF SAID ELEMENTS AND OPEN TOWARD THE OTHER ELEMENT, SAID OTHER ELEMENT BEING PROVIDED WITH A METALLIC ABUTMENT SURFACE ADAPTED TO CLOSE OVER SAID CHANNEL MEMBER WHEN THE TWO ARE BROUGHT INTO CONTACT SO AS TO FORM THEREWITH A LIQUID-TIGHT PASSAGEWAY, PRESSURE MEANS FOR URGING SAID CHANNEL MEMBER AND ABUTMENT SURFACE
Claim 2
Dependent Claim
78 words
A HYDRAULIC JOINT FOR TIGHTLY SEALING A COKE-OVEN DOOR ELEMENT AGAINST AN EMBRASURE ELEMENT COMPRISING AN METALLIC CHANNEL MEMBER FIXED TO AND ENCIRCLING THE EDGE OF ONE OF SAID ELEMENTS AND OPEN TOWARD THE OTHER ELEMENT, SAID OTHER ELEMENT BEING PROVIDED WITH A METALLIC ABUTMENT SURFACE ADAPTED TO CLOSE OVER SAID CHANNEL MEMBER WHEN THE TWO ARE BROUGHT INTO CONTACT SO AS TO FORM THEREWITH A LIQUID-TIGHT PASSAGEWAY, PRESSURE MEANS FOR URGING SAID CHANNEL MEMBER AND ABUTMENT SURFACE
References Cited (Backward Citations)
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US1833494A
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US1918860A
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GB422182A
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GB430446A
Cited
US2478215A
Cited
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Cited
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Cited
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Cited
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Cited
FR1062650A
Cited
FR1087455A
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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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |