ATE11458T1 - ELEMENT FOR OPTICAL FILTERS. - Google Patents
ELEMENT FOR OPTICAL FILTERS.Info
- Publication number
- ATE11458T1 ATE11458T1 AT80901920T AT80901920T ATE11458T1 AT E11458 T1 ATE11458 T1 AT E11458T1 AT 80901920 T AT80901920 T AT 80901920T AT 80901920 T AT80901920 T AT 80901920T AT E11458 T1 ATE11458 T1 AT E11458T1
- Authority
- AT
- Austria
- Prior art keywords
- optical filters
- filters
- optical
- Prior art date
Links
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/074,912 US4320940A (en) | 1978-06-19 | 1979-09-13 | Optical filtering element |
PCT/US1980/001198 WO1981000769A1 (en) | 1979-09-13 | 1980-09-15 | Optical filtering element |
EP80901920A EP0040603B1 (en) | 1979-09-13 | 1980-09-15 | Optical filtering element |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE11458T1 true ATE11458T1 (en) | 1985-02-15 |
Family
ID=27225015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT80901920T ATE11458T1 (en) | 1979-09-13 | 1980-09-15 | ELEMENT FOR OPTICAL FILTERS. |
Country Status (1)
Country | Link |
---|---|
AT (1) | ATE11458T1 (en) |
-
1980
- 1980-09-15 AT AT80901920T patent/ATE11458T1/en not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |