Patent US1966670A successfully refreshed from Google Patents.
Patent US3170506A successfully refreshed from Google Patents.
US3170506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door structure
Assignee: Fenestra Inc
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Filing: 1962-04-16
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Granted: 1965-02-23
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robert O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:58
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/26; E05D15/264; E05D15/266; E05D7/00; E05D7/0009; E05D7/0018; E05D7/0027; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A U-SHAPED COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS HAVING A PAIR OF LEG PORTIONS SECURED TOGETHER BY A CONNECTING PORTION AND ALIGNED OPENINGS EXTENDING THROUGH THE LEG PORTION AND ALIGNED CLEVIS ALSO HAVING A PAIR OF LEG PORTIONS SECURED TOGETHER BY A CONNECTING PORTION FITTING OVER THE U-SHAPED COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS AND HAVING OPENINGS IN THE LEG PORTIONS THEREOF ALINGED WITH THE OPENINGS IN THE LEG PORTIONS OF THE COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS, A PIVOT ROD EXTENDING THROUGH THE ALINED OPENINGS, AND A SCREW THREADED THROUGH THE CONNECTING PORTION OF THE U-SHAPED CLEVIS, PASSING THROUGH THE CONNECTING PORTION OF THE COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS AND ENGAGING THE PIVOT ROD WHEREBY THE PIVOT ROD IS SECURED TO THE COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS.
Claim 2
Dependent Claim
145 words
A U-SHAPED COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS HAVING A PAIR OF LEG PORTIONS SECURED TOGETHER BY A CONNECTING PORTION AND ALIGNED OPENINGS EXTENDING THROUGH THE LEG PORTION AND ALIGNED CLEVIS ALSO HAVING A PAIR OF LEG PORTIONS SECURED TOGETHER BY A CONNECTING PORTION FITTING OVER THE U-SHAPED COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS AND HAVING OPENINGS IN THE LEG PORTIONS THEREOF ALINGED WITH THE OPENINGS IN THE LEG PORTIONS OF THE COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS, A PIVOT ROD EXTENDING THROUGH THE ALINED OPENINGS, AND A SCREW THREADED THROUGH THE CONNECTING PORTION OF THE U-SHAPED CLEVIS, PASSING THROUGH THE CONNECTING PORTION OF THE COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS AND ENGAGING THE PIVOT ROD WHEREBY THE PIVOT ROD IS SECURED TO THE COMBINATION REINFORCING MEMBER, LEAF HINGE AND PIVOT MOUNTING MEANS.
References Cited (Backward Citations)
US1987565A
Cited
US2010593A
Cited
US2044700A
Cited
US2321491A
Cited
US2535309A
Cited
US2717033A
Cited
US2827115A
Cited
US2915118A
Cited
US2860701A
Cited
US2923385A
Cited
US2871932A
Cited
US3082474A
Cited
US3019836A
Cited
US3062277A
Cited
US3023804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |