US3032483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coke oven doors
Assignee: Beazer East Inc
•
Filing: 1955-10-05
•
Granted: 1962-05-01
•
Expires: 1975-10-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph Van Ackeren
- 👤 Francis R Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:09
CPC Classifications
C; C10; C10B; C10B25/00; C10B25/02; C10B25/06; C10B25/08; C10B25/12; C10B25/16; Y; Y10; Y10T; Y10T292/00; Y10T292/23; Y10T292/237
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN IMPROVED COKE OVEN DOOR ARRANGEMENT, COMPRISING: A COKE OVEN DOOR HAVING A DOOR BODY WITH A PERIPHERAL SEALING FRAME MEMBER MOUNTED THEREON COOPERABLE WITH A PERIPHERAL SEALING SURFACE ON A DOOR JAMB FRAME DISPOSED AT THE END OF A COKING RETORT OVEN, AND HAVING DOOR LATCH BAR RETAINER MEANS ATTACHED THERETO; A LATCH BAR MOUNTED ON SAID DOOR BODY FOR MOVEMENT TOWARD AND AWAY FROM SAID LATCH BAR RETAINER MEANS; FIRST SPRING MEANS OF THE PRELOADABLE TYPE COMPRISING A RECIPROCABLE PISTON COOPERABLE WITH A COMPRESSIBLE MATERIAL OF LIMITED COMPRESSIBILITY DISPOSED TO COMPLETELY FILL THE SPACE IN AN OTHERWISE ENCLOSED PISTON CYLINDER CHAMBER TO ACHIEVE RESILIENCY, SAID FIRST SPRING MEANS BEING INTERPOSED BETWEEN SAID DOOR BODY AND SAID LATCH BAR TO CONSTITUTE THE TOTAL DOOR LOCKING FORCE BETWEEN SAID DOOR AND LATCH BAR WHICH MAINTAINS SAID LATCH BAR IN RELEASABLE ENGAGE-
Claim 2
Dependent Claim
141 words
AN IMPROVED COKE OVEN DOOR ARRANGEMENT, COMPRISING: A COKE OVEN DOOR HAVING A DOOR BODY WITH A PERIPHERAL SEALING FRAME MEMBER MOUNTED THEREON COOPERABLE WITH A PERIPHERAL SEALING SURFACE ON A DOOR JAMB FRAME DISPOSED AT THE END OF A COKING RETORT OVEN, AND HAVING DOOR LATCH BAR RETAINER MEANS ATTACHED THERETO; A LATCH BAR MOUNTED ON SAID DOOR BODY FOR MOVEMENT TOWARD AND AWAY FROM SAID LATCH BAR RETAINER MEANS; FIRST SPRING MEANS OF THE PRELOADABLE TYPE COMPRISING A RECIPROCABLE PISTON COOPERABLE WITH A COMPRESSIBLE MATERIAL OF LIMITED COMPRESSIBILITY DISPOSED TO COMPLETELY FILL THE SPACE IN AN OTHERWISE ENCLOSED PISTON CYLINDER CHAMBER TO ACHIEVE RESILIENCY, SAID FIRST SPRING MEANS BEING INTERPOSED BETWEEN SAID DOOR BODY AND SAID LATCH BAR TO CONSTITUTE THE TOTAL DOOR LOCKING FORCE BETWEEN SAID DOOR AND LATCH BAR WHICH MAINTAINS SAID LATCH BAR IN RELEASABLE ENGAGE-
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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) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |