Patent US3103351A successfully refreshed from Google Patents.
US3103351A
Expired / Lapsed
US
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Casement hinge
Assignee: Amerock Corp
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Filing: 1961-08-31
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Granted: 1963-09-10
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Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 Axel W Ahlgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:53
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/32; E05D; E05D15/00; E05D15/28; E05F11/08; E05F11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
FOR USE WITH A WINDOW HAVING A FRAME AND A SASH MOUNTED IN SAID FRAME TO SWING ABOUT AN AXIS NORMAL TO THE SILL OF THE FRAME AND A MANUALLY OPERATED GEAR ON THE SILL, THE COMBINATION OF, A GENERALLY RECTANGULAR PLATE LYING IN A HORIZONTAL PLANE ADJACENT SAID SILL, AN ELONGATED RACK ADAPTED TO MESH WITH SAID GEAR AND EXTENDING ALONG ONE EDGE OF SAID PLATE, AN ELONGATED SHOE DISPOSED ADJACENT THE OPPOSITE EDGE OF SAID PLATE AND PARALLELING SAID RACK, A STRIP EXTENDING ACROSS SAID PLATE AND CONNECTING SAID RACK AND SAID SHOE, SAID RACK, SAID SHOE AND SAID STRIP BEING FORMED OF A SINGLE PIECE OF MOLDED PLASTIC MATERIAL WITH AT LEAST A PORTION OF SAID PLATE EMBEDDED IN SAID PIECE, AND MEANS ON SAID STRIP FOR PIVOTALLY CONNECTING THE STRIP TO SAID SASH.
Claim 2
Dependent Claim
137 words
FOR USE WITH A WINDOW HAVING A FRAME AND A SASH MOUNTED IN SAID FRAME TO SWING ABOUT AN AXIS NORMAL TO THE SILL OF THE FRAME AND A MANUALLY OPERATED GEAR ON THE SILL, THE COMBINATION OF, A GENERALLY RECTANGULAR PLATE LYING IN A HORIZONTAL PLANE ADJACENT SAID SILL, AN ELONGATED RACK ADAPTED TO MESH WITH SAID GEAR AND EXTENDING ALONG ONE EDGE OF SAID PLATE, AN ELONGATED SHOE DISPOSED ADJACENT THE OPPOSITE EDGE OF SAID PLATE AND PARALLELING SAID RACK, A STRIP EXTENDING ACROSS SAID PLATE AND CONNECTING SAID RACK AND SAID SHOE, SAID RACK, SAID SHOE AND SAID STRIP BEING FORMED OF A SINGLE PIECE OF MOLDED PLASTIC MATERIAL WITH AT LEAST A PORTION OF SAID PLATE EMBEDDED IN SAID PIECE, AND MEANS ON SAID STRIP FOR PIVOTALLY CONNECTING THE STRIP TO SAID SASH.
References Cited (Backward Citations)
US1748662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |