FR1596620A - - Google Patents
Info
- Publication number
- FR1596620A FR1596620A FR1596620DA FR1596620A FR 1596620 A FR1596620 A FR 1596620A FR 1596620D A FR1596620D A FR 1596620DA FR 1596620 A FR1596620 A FR 1596620A
- Authority
- FR
- France
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67536867A | 1967-10-16 | 1967-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1596620A true FR1596620A (fr) | 1970-06-22 |
Family
ID=24710167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1596620D Expired FR1596620A (fr) | 1967-10-16 | 1968-10-16 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3535825A (fr) |
BR (1) | BR6803183D0 (fr) |
DE (2) | DE1817771A1 (fr) |
ES (1) | ES359168A1 (fr) |
FR (1) | FR1596620A (fr) |
GB (1) | GB1179818A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3778937A (en) * | 1970-02-27 | 1973-12-18 | C Neefe | Method for making aspheric surfaces |
US3641717A (en) * | 1970-02-27 | 1972-02-15 | Charles W Neefe | Method for making aspheric convex surfaces |
US4002439A (en) * | 1973-01-10 | 1977-01-11 | David Volk | Method of forming an ophthalmic lens for presbyopia and aphakia |
US4181409A (en) * | 1978-10-16 | 1980-01-01 | American Optical Corporation | Aspheric lens series |
US4297008A (en) * | 1979-01-16 | 1981-10-27 | Woodford Donald L | Method and apparatus for making a non spherical beveled contact lens |
US4418991A (en) * | 1979-09-24 | 1983-12-06 | Breger Joseph L | Presbyopic contact lens |
US4640595A (en) * | 1984-05-02 | 1987-02-03 | David Volk | Aspheric contact lens |
AU594308B2 (en) * | 1985-08-08 | 1990-03-08 | Band, Jordon C | Contact lens |
GB201202896D0 (en) | 2012-02-21 | 2012-04-04 | Cambridge Entpr Ltd | Grinding/polishing machine |
CN103213068B (zh) * | 2013-03-21 | 2015-02-11 | 哈尔滨工业大学 | 超精密气囊抛光技术中工件边缘去除函数的测量方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1331037A (en) * | 1918-05-31 | 1920-02-17 | Daniel D Sullivan | Lens-grinder |
US1527045A (en) * | 1919-07-18 | 1925-02-17 | H J Stead | Lens-surfacing machine |
US1659277A (en) * | 1924-06-28 | 1928-02-14 | American Optical Corp | Lens-surfacing machine |
US2087687A (en) * | 1934-07-27 | 1937-07-20 | Daniel D Hubbell | Apparatus for producing one-piece multifocal ophthalmic lenses |
US2247706A (en) * | 1939-01-18 | 1941-07-01 | American Optical Corp | Lens abrading machine |
-
1967
- 1967-10-16 US US675368A patent/US3535825A/en not_active Expired - Lifetime
-
1968
- 1968-03-12 GB GB02075/68A patent/GB1179818A/en not_active Expired
- 1968-10-15 ES ES359168A patent/ES359168A1/es not_active Expired
- 1968-10-15 DE DE19681817771 patent/DE1817771A1/de active Pending
- 1968-10-15 DE DE19681803095 patent/DE1803095A1/de active Pending
- 1968-10-16 FR FR1596620D patent/FR1596620A/fr not_active Expired
- 1968-10-16 BR BR203183/68A patent/BR6803183D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
GB1179818A (en) | 1970-02-04 |
US3535825A (en) | 1970-10-27 |
DE1803095A1 (de) | 1970-03-05 |
DE1817771A1 (de) | 1971-03-04 |
ES359168A1 (es) | 1970-07-01 |
BR6803183D0 (pt) | 1973-02-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |