Patent US3546743A successfully refreshed from Google Patents.
US3146500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Space chamber interlock door and door frame
Assignee: Consolidated Vacuum Corp
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Filing: 1961-07-27
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Granted: 1964-09-01
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Expires: 1981-07-27
Abstract
No abstract record available.
Inventors
- 👤 John W Volkert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/16; A61B5/18; A61G; A61G10/00; A61G10/02; A61G10/023; Y; Y10; Y10S; Y10S292/00; Y10S292/21; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A DOOR AND DOOR FRAME COMBINATION COMPRISING A MAIN FRAME HAVING AT LEAST FOUR VERTICALLY POSITIONED SIDE JAMB PLATES, A HEAD PLATE CONNECTING SAID JAMB PLATES AT THEIR UPPER ENDS AND A SILL PLATE CONNECTING THEIR LOWER ENDS; A DOOR OPENING DEFINED BY A SECOND AND A THIRD OF SAID JAMB PLATES AND THE INCLUDED PORTIONS OF SAID HEAD AND SILL PLATES; A DOOR MOUNTED FOR MOVEMENT ALONG THE PLANE OF SAID MAIN FRAME; SAID DOOR BEING ADAPTED TO BRIDGE ACROSS A FIRST AND THE THIRD OF SAID JAMB PLATES FOR CLOSING SAID DOORWAY IN ONE CLOSING POSITION OF THE DOOR AND TO BRIDGE ACROSS THE SECOND AND A FOURTH OF SAID JAMB PLATES FOR CLOSING SAID DOORWAY IN ANOTHER CLOSING POSITION OF THE DOOR; AND MOUNTING MEANS FOR SUPPORTING SAID DOOR FOR MOVEMENT IN A DIRECTION NORMAL TO THE PLANE OF THE DOOR FRAME FOR PERMITTING OPENING AND CLOSING OF SAID DOOR OPENING.
Claim 2
Dependent Claim
154 words
A DOOR AND DOOR FRAME COMBINATION COMPRISING A MAIN FRAME HAVING AT LEAST FOUR VERTICALLY POSITIONED SIDE JAMB PLATES, A HEAD PLATE CONNECTING SAID JAMB PLATES AT THEIR UPPER ENDS AND A SILL PLATE CONNECTING THEIR LOWER ENDS; A DOOR OPENING DEFINED BY A SECOND AND A THIRD OF SAID JAMB PLATES AND THE INCLUDED PORTIONS OF SAID HEAD AND SILL PLATES; A DOOR MOUNTED FOR MOVEMENT ALONG THE PLANE OF SAID MAIN FRAME; SAID DOOR BEING ADAPTED TO BRIDGE ACROSS A FIRST AND THE THIRD OF SAID JAMB PLATES FOR CLOSING SAID DOORWAY IN ONE CLOSING POSITION OF THE DOOR AND TO BRIDGE ACROSS THE SECOND AND A FOURTH OF SAID JAMB PLATES FOR CLOSING SAID DOORWAY IN ANOTHER CLOSING POSITION OF THE DOOR; AND MOUNTING MEANS FOR SUPPORTING SAID DOOR FOR MOVEMENT IN A DIRECTION NORMAL TO THE PLANE OF THE DOOR FRAME FOR PERMITTING OPENING AND CLOSING OF SAID DOOR OPENING.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |