US3378058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding door construction
Assignee: Individual
•
Filing: 1966-08-19
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Granted: 1968-04-16
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Expires: 1986-08-19
Abstract
No abstract record available.
Inventors
- 👤 Matyas John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:15
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E05D15/264; E05F; E05F7/00; E05F7/005; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A FOLDING DOOR CONSTRUCTION COMPRISING AT LEAST TWO DOOR PANELS HINGED TOGETHER ALONG A COMMON AXIS, MEANS ON ONE OF SAID PANELS FOR HINGING SAID ONE PANEL TO A DOOR JAMB, MEANS ON THE OTHER PANEL PROVIDING A GUIDE MEMBER, A TRACK ENGAGEABLE BY SAID GUIDE MEMBER, SAID DOOR PANELS BEING MOVABLE FROM A POSITION WHEREIN THE COMMON AXIS LIES ON ONE SIDE OF THE AXIS OF SAID TRACK TO A POSITION WHEREIN SAID DOOR PANELS ARE FOLDED AND SAID COMMON AXIS LIES ON THE OTHER SIDE OF THE AXIS OF SAID TRACK, SAID TRACK INCLUDING A DOWNWARDLY OPENING CHANNEL THEREIN, A COMPRESSIBLE RESILIENT BLOCK FRICTIONALLY HELD WITHIN SAID CHANNEL, SAID BLOCK HAVING A DOWNWARDLY OPENING CAVITY THEREIN, A COMPRESSIBLE SPRING MEMBER FRICTIONALLY HELD IN SAID CAVITY AND HAVING GENERALLY HORIZONTALLY EXTENDING COMPRESSIBLE ENDS, SAID SPRING MEMBER EXPANDING AND INCREASING THE FRICTIONAL RESISTANCE TO MOVEMENT BETWEEN SAID TRACK AND SAID RESILIENT BLOCK.
Claim 2
Dependent Claim
153 words
IN A FOLDING DOOR CONSTRUCTION COMPRISING AT LEAST TWO DOOR PANELS HINGED TOGETHER ALONG A COMMON AXIS, MEANS ON ONE OF SAID PANELS FOR HINGING SAID ONE PANEL TO A DOOR JAMB, MEANS ON THE OTHER PANEL PROVIDING A GUIDE MEMBER, A TRACK ENGAGEABLE BY SAID GUIDE MEMBER, SAID DOOR PANELS BEING MOVABLE FROM A POSITION WHEREIN THE COMMON AXIS LIES ON ONE SIDE OF THE AXIS OF SAID TRACK TO A POSITION WHEREIN SAID DOOR PANELS ARE FOLDED AND SAID COMMON AXIS LIES ON THE OTHER SIDE OF THE AXIS OF SAID TRACK, SAID TRACK INCLUDING A DOWNWARDLY OPENING CHANNEL THEREIN, A COMPRESSIBLE RESILIENT BLOCK FRICTIONALLY HELD WITHIN SAID CHANNEL, SAID BLOCK HAVING A DOWNWARDLY OPENING CAVITY THEREIN, A COMPRESSIBLE SPRING MEMBER FRICTIONALLY HELD IN SAID CAVITY AND HAVING GENERALLY HORIZONTALLY EXTENDING COMPRESSIBLE ENDS, SAID SPRING MEMBER EXPANDING AND INCREASING THE FRICTIONAL RESISTANCE TO MOVEMENT BETWEEN SAID TRACK AND SAID RESILIENT BLOCK.
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) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |