US2718476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawing material
Assignee: Screen Engineering Co
•
Filing: 1953-02-18
•
Granted: 1955-09-20
•
Expires: 1973-02-18
Abstract
No abstract record available.
Inventors
- 👤 Eichorn Adrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:48
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/18; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2361; Y10T442/273; Y10T442/2926; Y10T442/2992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A DIMENSIONALLY STABLE LIGHT TRANSMITTING FLEXIBLE SHEET MATERIAL FOR CARRYING A HIGHLY PRECISE IMAGE WHICH MAY BE COPIED COMPRISING A WOVEN GLASS FABRIC FILLED WITH A POLYESTER RESIN WHICH IS THE POLYMERIZATION PRODUCT OF A COMPOUND HAVING A SINGLE TERMINAL ETHYLENIC GROUP WITH THE REACTION PRODUCT OF AN ETHYLENIC-ALPHA-BETA DICARBOXYLIC ACID AND A GLYCOL AND AN ADHERENT OVERCOAT OF A TRANSPARENT FILM FORMING ORGANIC RESINOUS MATERIAL ON THE SURFACE OF THE FILLED FABRIC CONTAINING AN AMOUNT OF ABRASIVE AGENT SUFFICIENT TO MAKE AND LAYER RECEPTIVE TO PENCIL LINES.
Claim 2
Dependent Claim
88 words
A DIMENSIONALLY STABLE LIGHT TRANSMITTING FLEXIBLE SHEET MATERIAL FOR CARRYING A HIGHLY PRECISE IMAGE WHICH MAY BE COPIED COMPRISING A WOVEN GLASS FABRIC FILLED WITH A POLYESTER RESIN WHICH IS THE POLYMERIZATION PRODUCT OF A COMPOUND HAVING A SINGLE TERMINAL ETHYLENIC GROUP WITH THE REACTION PRODUCT OF AN ETHYLENIC-ALPHA-BETA DICARBOXYLIC ACID AND A GLYCOL AND AN ADHERENT OVERCOAT OF A TRANSPARENT FILM FORMING ORGANIC RESINOUS MATERIAL ON THE SURFACE OF THE FILLED FABRIC CONTAINING AN AMOUNT OF ABRASIVE AGENT SUFFICIENT TO MAKE AND LAYER RECEPTIVE TO PENCIL LINES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |