Patent US4666752A successfully refreshed from Google Patents.
US4666752A
Expired / Lapsed
US
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Drafting paper
Assignee: R BROERMANN A GERMANY CORP Firma
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Filing: 1985-07-08
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Granted: 1987-05-19
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Expires: 2005-07-08
Abstract
Abstract An opaque or transparent drafting paper assembly includes a drafting paper sheet having edges, the paper sheet having holes formed in a given region thereof for hanging the paper sheet in a hanging file system, and at least one synthetic foil strip applied on the paper sheet by a formed lamination process, the foil strip covering at least the given region of the paper sheet and reinforcing at least one of the edges thereof.
Inventors
- 👤 Theodor Broermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:08
CPC Classifications
B; B42; B42F; B42F15/00; B42F15/06; B42F15/066; B42F3/00; B42F3/003; B42F3/006; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/15; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24479; Y10T428/24488; Y10T428/24777; Y10T428/24793; Y10T428/24802; Y10T428/24934
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
126 words
Opaque or transparent drafting paper assembly, comprising a drafting paper sheet having lateral edges and having an upper edge with first holes formed in a given region thereof for hanging said paper sheet in a hanging file system, a first relatively wide synthetic foil strip covering said upper edge, said first synthetic foil strip having expansion joints formed therein and having second holes formed therein alignment with said first holes, second relatively narrow synthetic foil strips covering said lateral edges and having transport holes for a plotter system stamped therein, said first and second synthetic foil strips being applied on said paper sheet by a formed lamination process giving said paper sheet and said foil strips substantially the same combined thickness as said paper sheet alone.
Claim 2
Dependent Claim
126 words
Opaque or transparent drafting paper assembly, comprising a drafting paper sheet having lateral edges and having an upper edge with first holes formed in a given region thereof for hanging said paper sheet in a hanging file system, a first relatively wide synthetic foil strip covering said upper edge, said first synthetic foil strip having expansion joints formed therein and having second holes formed therein alignment with said first holes, second relatively narrow synthetic foil strips covering said lateral edges and having transport holes for a plotter system stamped therein, said first and second synthetic foil strips being applied on said paper sheet by a formed lamination process giving said paper sheet and said foil strips substantially the same combined thickness as said paper sheet alone.
Claim 3
Dependent Claim
18 words
Drafting paper assembly according to claim 1, wherein said first foil strip has a region thereon for writing.
Claim 4
Dependent Claim
21 words
Drafting paper assembly, according to claim 2 wherein said paper roll has perforations formed therein subdividing said roll into individual sheets.
Claim 5
Dependent Claim
17 words
Drafting paper assembly according to claim 1, wherein said paper sheet is part of a paper roll.
Claim 6
Dependent Claim
31 words
Drafting paper assembly according to claim 1, wherein said foil strip is formed of a material from the group consisting of acetate, polyethylene, polyamide, polycarbonate, polyester, polyfluorethylene, poly propylene and polyvinylchloride.
References Cited (Backward Citations)
US4551374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-18 | 1990-11-17 | 1991-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-18 | 1994-11-17 | 1995-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-18 | 1998-11-17 | 1999-05-19 | $7700.00 | Window Closed / Lapsed |