Patent US2478588A successfully refreshed from Google Patents.
Patent US3225381A successfully refreshed from Google Patents.
US3225381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door hinge system
Assignee: Individual
•
Filing: 1962-08-01
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Granted: 1965-12-28
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 James L Fountain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:00
CPC Classifications
E; E05; E05D; E05D7/00; E05D7/08; E05D7/081; E05D7/0009; E05D7/0018; E05D7/0027; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A TOP HINGE FOR A DOOR AND FRAMWHICH COMPRISES: (A) A STRUCTURE MOUNTED ON THE FACE OF SAID DOOR AND AT THE TOP THEREOF HAVING A VERTICAL CYLINDRICAL BEARING, (B) SUPPORT STRUCTURE INCLUDING A SHAFT MATING WITH SAID CYLINDRICAL BEARING, (C) A MOUNTING PLATE SECURED TO SAID FRAME INCLUDING A SLIDE-WAY STRUCTURE IN WHICH SAID SUPPORT STRUCTURE IS MOUNTED TO PERMIT ADJUSTMENT OF THE POSITION OF
Claim 2
Dependent Claim
66 words
A TOP HINGE FOR A DOOR AND FRAMWHICH COMPRISES: (A) A STRUCTURE MOUNTED ON THE FACE OF SAID DOOR AND AT THE TOP THEREOF HAVING A VERTICAL CYLINDRICAL BEARING, (B) SUPPORT STRUCTURE INCLUDING A SHAFT MATING WITH SAID CYLINDRICAL BEARING, (C) A MOUNTING PLATE SECURED TO SAID FRAME INCLUDING A SLIDE-WAY STRUCTURE IN WHICH SAID SUPPORT STRUCTURE IS MOUNTED TO PERMIT ADJUSTMENT OF THE POSITION OF
References Cited (Backward Citations)
US842668A
Cited
US1079763A
Cited
US1256667A
Cited
US1719638A
Cited
US2248372A
Cited
US2273701A
Cited
US2674767A
Cited
US2743075A
Cited
US2987755A
Cited
US3078502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |