Patent US3261128A successfully refreshed from Google Patents.
US3261128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated door
Assignee: Hussmann Corp
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Filing: 1964-03-31
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Granted: 1966-07-19
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Robert E Slopa
- 👤 George W Slopa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:59
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/10; E05D15/1021; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/635; E05F15/638; E05F15/652; E05D2015/1028; E05D2015/1031; E05D2015/1036; E05D15/1042; E05D2015/1055; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/214; E05Y2201/23; E05Y2201/244; E05Y2800/00; E05Y2800/26; E05Y2800/298; E05Y2900/00; E05Y2900/10; E05Y2900/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN APPARATUS FOR SEPARATING AND CLOSING A PAIR OF DOORS OVER A DOOR OPENING COMPRISING, A FRAME, AN OVERHEAD TRACKWAY INCLINED DOWNWARDLY FROM ITS ENDS TO AN INTERMEDIATE POINT AND SECURED TO THE FRAME, DOOR SUPPORTING CARRIAGES MOUNTED ON THE TRACKWAY FOR SUPPORTING THE DOORS ON THE TRACKWAY FOR MOVEMENT THEREON, A PAIR OF ELONGATED SCREW MEMBERS MOUNTED ON THE FRAME AND OPERATIVELY CONNECTED TO THE CARRIAGES, ONE SUCH SCREW MEMBER DISPOSED SUBSTANTIALLY PARALLEL TO ONE INCLINED PORTION OF THE TRACKWAY AND THE OTHER SCREW MEMBER DISPOSED SUBSTANTIALLY PARALLEL TO THE OTHER INCLINED PORTION OF THE TRACKWAY, CONNECTING MEANS FOR FLEXIBLY CONNECTING ADJACENT ENDS OF SAID SCREW MEMBERS WHEREBY THE SCREW MEMBERS ARE CONNECTEDLY TURNABLE ABOUT THEIR AXES, SAID CONNECTING MEANS HAVING MEANS DISCONNECTABLE FOR SELECTIVELY TURNING SAID SCREW MEMBERS ABOUT THEIR AXES AND MOVING SAID CARRIAGES ALONG THE TRACKWAY THEREBY ADJUSTING THE RELATIVE POSITIONS OF THE DOORS, AND MEANS FOR TURNING THE SCREW MEMBERS ABOUT THEIR AXES.
Claim 2
Independent Claim
158 words
AN APPARATUS FOR SEPARATING AND CLOSING A PAIR OF DOORS OVER A DOOR OPENING COMPRISING, A FRAME, AN OVERHEAD TRACKWAY INCLINED DOWNWARDLY FROM ITS ENDS TO AN INTERMEDIATE POINT AND SECURED TO THE FRAME, DOOR SUPPORTING CARRIAGES MOUNTED ON THE TRACKWAY FOR SUPPORTING THE DOORS ON THE TRACKWAY FOR MOVEMENT THEREON, A PAIR OF ELONGATED SCREW MEMBERS MOUNTED ON THE FRAME AND OPERATIVELY CONNECTED TO THE CARRIAGES, ONE SUCH SCREW MEMBER DISPOSED SUBSTANTIALLY PARALLEL TO ONE INCLINED PORTION OF THE TRACKWAY AND THE OTHER SCREW MEMBER DISPOSED SUBSTANTIALLY PARALLEL TO THE OTHER INCLINED PORTION OF THE TRACKWAY, CONNECTING MEANS FOR FLEXIBLY CONNECTING ADJACENT ENDS OF SAID SCREW MEMBERS WHEREBY THE SCREW MEMBERS ARE CONNECTEDLY TURNABLE ABOUT THEIR AXES, SAID CONNECTING MEANS HAVING MEANS DISCONNECTABLE FOR SELECTIVELY TURNING SAID SCREW MEMBERS ABOUT THEIR AXES AND MOVING SAID CARRIAGES ALONG THE TRACKWAY THEREBY ADJUSTING THE RELATIVE POSITIONS OF THE DOORS, AND MEANS FOR TURNING THE SCREW MEMBERS ABOUT THEIR AXES.
References Cited (Backward Citations)
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Cited
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |