US3225381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door hinge system
Assignee: Individual
•
Filing: 1962-08-01
•
Granted: 1965-12-28
•
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 13:55
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
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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) | 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 |