Method for producing a composite mirror and composite mirror obtained with same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 9, 2017
Grant Date -
Nov 22, 2012
app pub date -
Jan 17, 2011
filing date -
Jan 20, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for producing a composite mirror. It comprises the steps of providing a glass blank with low coefficient of expansion, machining a convex shape (4) in the glass blank, laying a front skin (6) impregnated with resin over the convex shape (4) of the glass blank (2), machining in a rear supporting structure (8) a concave shape matching the convex shape machined in the glass blank (2), gluing the concave shape (10) of the supporting structure (8) onto the convex shape of the glass blank (2), machining a convex shape in the supporting structure, laying a rear skin (14) impregnated with resin on a mold, gluing the rear skin (14) onto the convex shape of the supporting structure (8), turning over the assembly so that the blank (2) lies in the upper portion of the assembly, machining and polishing a mirror in the glass blank (2).
First Claim
Other Claims data not available
Family
International Classification(s)
- 2011 Application Filing Year
- B29D Class
- 710 Applications Filed
- 490 Patents Issued To-Date
- 69.02 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B29D Class
- 0 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 9, 2024 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 9, 2028 |
