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US3267990A Expired / Lapsed US ⏱️ 0.0 years remaining

Folding door

Assignee: NEW CASTLE PRODUCTS Inc
•
Filing: 1964-03-20
•
Granted: 1966-08-23
•
Expires: 1984-03-20
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Abstract

No abstract record available.

Inventors

  • 👤 Donald S Harris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:22
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/48; E06B3/481; E05; E05D; E05D1/00; E05D1/02; E05D15/00; E05D15/26; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S16/00; Y10S16/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 192 words
IN A DOOR OF THE TYPE CHARACTERIZED BY A PLURALITY OF ELONGATED PANELS ADAPTED TO BE SUSPENDED FROM AN OVERHEAD TRACK, SAID PANELS BEING SERIALLY CONNECTED TO EACH OTHER ALONG THEIR MARGINAL EDGES FOR FOLDING AND UNFOLDING MOVEMENT BETWEEN STACKED AND EXTENDED POSITIONS IN AN OPENING, EACH OF SAID MARGINAL EDGES BEING PROVIDED WITH AN OUTWARDLY OPENING GROOVE, A PLURALITY OF FLEXIBLE HINGE STRIPS PROVIDED WITH ENLARGED MARGINAL FORMATIONS, WHICH FORMATIONS OF EACH STRIP ARE POSITIONED WITHIN THE GROOVES ON THE MARGINAL EDGES OF ADJOINING PANELS TO SERIALLY CONNECTED ADJACENT PANELS, THE IMPROVEMENT WHICH COMPRISES EACH OF SAID GROOVES IN SAID PANELS BEING INTERRUPTED ADJACENT THE ENDS THEREOF TO FORM A SLOT TRANSVERSELY OF SAID GROOVE, SAID SLOT BEING SPACED FROM AN END PORTION OF EACH OF SAID PANELS, A RIGID HINGE MEANS HAVING INTERCONNECTED SPACED PORTIONS THEREOF PROJECTING INTO EACH OF SAID SLOTS AND OVER THE END PORTION OF EACH OF SAID PANELS THEREBY TO PROVIDE A SUPPORT BETWEEN ADJACENT PANELS TO PREVENT RELATIVE LONGITUDINAL SHIFTING MOVEMENT THEREBETWEEN, AND PIN MEANS HOLDING SAID PROJECTING PORTIONS OF SAID HINGE MEANS TO EACH OF SAID PANELS WITHOUT IMPAIRING THE SMOOTH FOLDING MOVEMENT THEREOF.
Claim 2
Dependent Claim 192 words
IN A DOOR OF THE TYPE CHARACTERIZED BY A PLURALITY OF ELONGATED PANELS ADAPTED TO BE SUSPENDED FROM AN OVERHEAD TRACK, SAID PANELS BEING SERIALLY CONNECTED TO EACH OTHER ALONG THEIR MARGINAL EDGES FOR FOLDING AND UNFOLDING MOVEMENT BETWEEN STACKED AND EXTENDED POSITIONS IN AN OPENING, EACH OF SAID MARGINAL EDGES BEING PROVIDED WITH AN OUTWARDLY OPENING GROOVE, A PLURALITY OF FLEXIBLE HINGE STRIPS PROVIDED WITH ENLARGED MARGINAL FORMATIONS, WHICH FORMATIONS OF EACH STRIP ARE POSITIONED WITHIN THE GROOVES ON THE MARGINAL EDGES OF ADJOINING PANELS TO SERIALLY CONNECTED ADJACENT PANELS, THE IMPROVEMENT WHICH COMPRISES EACH OF SAID GROOVES IN SAID PANELS BEING INTERRUPTED ADJACENT THE ENDS THEREOF TO FORM A SLOT TRANSVERSELY OF SAID GROOVE, SAID SLOT BEING SPACED FROM AN END PORTION OF EACH OF SAID PANELS, A RIGID HINGE MEANS HAVING INTERCONNECTED SPACED PORTIONS THEREOF PROJECTING INTO EACH OF SAID SLOTS AND OVER THE END PORTION OF EACH OF SAID PANELS THEREBY TO PROVIDE A SUPPORT BETWEEN ADJACENT PANELS TO PREVENT RELATIVE LONGITUDINAL SHIFTING MOVEMENT THEREBETWEEN, AND PIN MEANS HOLDING SAID PROJECTING PORTIONS OF SAID HINGE MEANS TO EACH OF SAID PANELS WITHOUT IMPAIRING THE SMOOTH FOLDING MOVEMENT THEREOF.

References Cited (Backward Citations)

US328342A Cited
US538318A Cited
GB190714276A Cited
US2019692A Cited
US2579910A Cited
US2770298A Cited
US2831537A Cited
US3148724A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-22 1970-02-21 1970-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-22 1974-02-21 1974-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-22 1978-02-21 1978-08-23 $7700.00 Window Closed / Lapsed

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