US3320699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door pivots
Assignee: PPG Industries Inc
•
Filing: 1964-12-21
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Granted: 1967-05-23
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Laurence F Carson
- 👤 Murray H Mcgregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:00
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/0009; E05D7/0018; E05D7/0027; E05D7/08; E05D7/081; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A FRAME COMPRISING A RIGID VERTICAL MEMBER, AND AN UPPER AND LOWER PAIR OF VERTICALLY SPACED HORIZONTAL MEMBERS AND AN ASSEMBLY PIVOTALLY SECURED TO SAID FRAME BY AT LEAST AN UPPER AND LOWER PAIR OF HINGES WHERE SAID FRAME AND ASSEMBLY IN ONE POSITION HAVE ONE FACE THEREOF IN A COMMON PLANE, SAID UPPER HINGE COMPRISING A FIRST AND SECOND HINGE PLATE SECURED RESPECTIVELY TO THE UPPER HORIZONTAL MEMBER AND SAID ASSEMBLY, THE FIRST HINGE PLATE COMPRISING A FIRST PORTION ABUTTING SAID ONE FACE AND PROJECTING THEREFROM, SAID FIRST HINGE PLATE INCLUDING A SECOND PORTION COMPRISING SPACED PARALLEL PINS LYING IN A SUBSTANTIALLY HORIZONTAL PLANE AND PROJECTING INTO CORRESPONDINGLY SPACED APERTURES IN SAID UPPER HORIZONTAL MEMBER, AND SCREW MEANS DISPOSED BETWEEN OPPOSED FACES OF SAID ASSEMBLY AND PROJECTING THROUGH A WALL OF SAID UPPER HORIZONTAL MEMBER INTO ENGAGEMENT WITH EACH OF SAID SPACED PINS THEREBY TO SECURE SAID PLATE TO THE ASSEMBLY AND PREVENT ACCESS TO SAID MEANS WHEN SAID MEMBERS HAVE THEIR SAID ONE FACE IN A COMMON PLANE, AND BEARING MEANS INTERPOSED BETWEEN THE PROJECTING PORTION OF SAID FIRST PLATE AND SAID SECOND PLATE FOR PIVOTALLY INTERCONNECTING SAID PLATES.
Claim 2
Dependent Claim
191 words
A FRAME COMPRISING A RIGID VERTICAL MEMBER, AND AN UPPER AND LOWER PAIR OF VERTICALLY SPACED HORIZONTAL MEMBERS AND AN ASSEMBLY PIVOTALLY SECURED TO SAID FRAME BY AT LEAST AN UPPER AND LOWER PAIR OF HINGES WHERE SAID FRAME AND ASSEMBLY IN ONE POSITION HAVE ONE FACE THEREOF IN A COMMON PLANE, SAID UPPER HINGE COMPRISING A FIRST AND SECOND HINGE PLATE SECURED RESPECTIVELY TO THE UPPER HORIZONTAL MEMBER AND SAID ASSEMBLY, THE FIRST HINGE PLATE COMPRISING A FIRST PORTION ABUTTING SAID ONE FACE AND PROJECTING THEREFROM, SAID FIRST HINGE PLATE INCLUDING A SECOND PORTION COMPRISING SPACED PARALLEL PINS LYING IN A SUBSTANTIALLY HORIZONTAL PLANE AND PROJECTING INTO CORRESPONDINGLY SPACED APERTURES IN SAID UPPER HORIZONTAL MEMBER, AND SCREW MEANS DISPOSED BETWEEN OPPOSED FACES OF SAID ASSEMBLY AND PROJECTING THROUGH A WALL OF SAID UPPER HORIZONTAL MEMBER INTO ENGAGEMENT WITH EACH OF SAID SPACED PINS THEREBY TO SECURE SAID PLATE TO THE ASSEMBLY AND PREVENT ACCESS TO SAID MEANS WHEN SAID MEMBERS HAVE THEIR SAID ONE FACE IN A COMMON PLANE, AND BEARING MEANS INTERPOSED BETWEEN THE PROJECTING PORTION OF SAID FIRST PLATE AND SAID SECOND PLATE FOR PIVOTALLY INTERCONNECTING SAID PLATES.
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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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |