US3177519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding door hinge
Assignee: Individual
•
Filing: 1962-11-20
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Granted: 1965-04-13
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Expires: 1982-11-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Leonard E Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:51
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E05D15/264; E05D11/00; E05D11/10; E05D11/1028; E05D11/105; E05D11/1064; E05Y; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A HINGE FOR PIVOTALLY INTERCONNECTING FOLDING DOOR PANELS COMPRISING: A FIRST PLATE SECURED TO ONE PANEL AND A SECOND PLATE SECURED TO AN ADJACENT PANEL, A HINGE PIN, SPACED MEANS ADAPTED TO SECURE THE ENDS OF SAID PIN A PREDETERMINED PERPENDICULAR DISTANCE FROM SAID SECOND PLATE, A SLEEVE SECURED TO SAID FIRST PLATE AND HAVING AN ELONGATED OPENING ADAPTED TO RECEIVE A MEDIAL PORTION OF SAID PIN, A MEMBER RECIPROCABLY MOUNTED ON SAID FIRST PLATE FOR MOVEMENT BETWEEN TWO EXTREME POSITIONS, BEARING MEANS ROTATABLY RECEIVING SAID PIN AND DISPOSED BETWEEN EACH SAID SPACED MEANS AND SAID SLEEVE, MEANS CONNECTING SAID BEARING MEANS TO SAID MEMBER FOR MOVEMENT THEREWITH, AND RESILIENT MEANS URGING SAID MEMBER TOWARD ONE OF ITS EXTREME POSITIONS.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |