Patent US2571092A successfully refreshed from Google Patents.
US4170836A
Expired / Lapsed
US
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Picture frame mat
Assignee: Individual
•
Filing: 1978-01-05
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Granted: 1979-10-16
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Expires: 1998-01-05
Abstract
Abstract A picture frame assembly having a reinforcing insert sandwiched between two interconnected plastic layers with a plastic sheet bearing a graphic presentation being affixed to the front surface of one of the two plastic layers.
Inventors
- 👤 Ludwig Seufert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:33
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/06; B; B44; B44C; B44C5/00; B44C5/02; B44F; B44F11/00; B44F11/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
115 words
A picture frame comprising a plastic sheet having a surface bearing a graphic presentation and further comprising a picture carrier comprising first and second interconnected plastic layers and a reinforcing insert sandwiched therebetween; wherein the first and second plastic layers are welded together at least at the edges and whereby a closed framing strip is impressed in the first plastic layer; wherein said plastic sheet bearing the graphic presentation is affixed to the first plastic layer inside the impressed framing strip; and wherein an additional plastic insert is arranged between said first plastic layer and said reinforcing insert such that said plastic insert is outside the area of the plastic sheet bearing the graphic presentation.
Claim 2
Dependent Claim
115 words
A picture frame comprising a plastic sheet having a surface bearing a graphic presentation and further comprising a picture carrier comprising first and second interconnected plastic layers and a reinforcing insert sandwiched therebetween; wherein the first and second plastic layers are welded together at least at the edges and whereby a closed framing strip is impressed in the first plastic layer; wherein said plastic sheet bearing the graphic presentation is affixed to the first plastic layer inside the impressed framing strip; and wherein an additional plastic insert is arranged between said first plastic layer and said reinforcing insert such that said plastic insert is outside the area of the plastic sheet bearing the graphic presentation.
Claim 3
Dependent Claim
21 words
A picture frame as in claim 1, wherein the plastic sheet bearing the graphic presentation is of a hard PVC material.
References Cited (Backward Citations)
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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) | 1982-10-15 | 1983-04-16 | 1983-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-15 | 1987-04-16 | 1987-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-15 | 1991-04-16 | 1991-10-16 | $7700.00 | Window Closed / Lapsed |