CA530375A - Set of spectacles with variable absorption - Google Patents
Set of spectacles with variable absorptionInfo
- Publication number
- CA530375A CA530375A CA530375A CA530375DA CA530375A CA 530375 A CA530375 A CA 530375A CA 530375 A CA530375 A CA 530375A CA 530375D A CA530375D A CA 530375DA CA 530375 A CA530375 A CA 530375A
- Authority
- CA
- Canada
- Prior art keywords
- spectacles
- variable absorption
- absorption
- variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA530375T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA530375A true CA530375A (en) | 1956-09-18 |
Family
ID=35684128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA530375A Expired CA530375A (en) | Set of spectacles with variable absorption |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA530375A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3610740A (en) * | 1968-10-07 | 1971-10-05 | Luis R Aparicio | Variable light filters |
US4068918A (en) * | 1975-07-21 | 1978-01-17 | Holcombe Cressie E Jun | Eye cooler for sunbathers |
US5013145A (en) * | 1989-11-20 | 1991-05-07 | Croll Theodore P | Eyeglasses with liquid-filled lenses |
-
0
- CA CA530375A patent/CA530375A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3610740A (en) * | 1968-10-07 | 1971-10-05 | Luis R Aparicio | Variable light filters |
US4068918A (en) * | 1975-07-21 | 1978-01-17 | Holcombe Cressie E Jun | Eye cooler for sunbathers |
US5013145A (en) * | 1989-11-20 | 1991-05-07 | Croll Theodore P | Eyeglasses with liquid-filled lenses |
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