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US3245315A Expired / Lapsed US ⏱️ 0.0 years remaining

Electro-optic responsive flashblindness controlling device

Assignee: Individual
•
Filing: 1962-09-05
•
Granted: 1966-04-12
•
Expires: 1982-09-05
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Abstract

No abstract record available.

Inventors

  • 👤 Alvin M Marks
  • 👤 Mortimer M Marks

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:39
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/03; G02F1/0327; A; A61; A61F; A61F9/00; A61F9/02; A61F9/022; A61F9/023; A61F9/04; A61F9/06; A61F9/065; A61F9/067; G02C; G02C7/00; G02C7/10; G02C7/101; G02C7/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 225 words
AN ELECTRICALLY RESPONSIVE LIGHT CONTROLLING DEVICE COMPRISING A LAMINATED MENISCUS FRONT LENS, A FIRST LAYER OF A LIGHT POLARIZING MATERIAL IN SAID LAMINATED FRONT LENS, AN ANNULAR GROOVE ON THE INNER SURFACE OF THE FRONT LENS AND SPACED FROM THE PERIPHERY THEREOF, A QUANTITY OF ELECTRICALLY CONDUCTIVE MATERIAL IN SAID GROOVE, AT LEAST AND CURVED ELECTRO-OPTICALLY RESPONSIVE CRYSTAL UPON AND REARWARDLY DISPOSED WITH RESPECT TO THE FRONT LENS, A FIRST TRANSPARENT ELECTRICALLY CONDUCTIVE COATING BETWEEN THE FRONT LENS AND THE CRYSTAL OVERLYING THE CRYSTAL FACE AND IN ELECTRICAL CONTACT WITH THE CONDUCTIVE MATERIAL IN THE GROOVE, A LAMINATED MENISCUS REAR LENS REARWARDLY DISPOSED WITH RESPECT TO THE CRYSTAL, A SECOND LAYER OF A LIGHT POLARIZING MATERIAL IN SAID LAMINATED REAR LENS, AN ANNULAR GROOVE ON THE INNER SURFACE OF THE REAR LENS AND SPACED FROM THE PERIPHERY THEREOF, A QUANTITY OF ELECTRICALLY CONDUCTIVE MATERIAL IN SAID REAR LENS GROOVE, A SECOND TRANSPARENT ELECTRICALLY CONDUCTIVE COATING BETWEEN THE CRYSTAL AND REAR LENS OVERLYLING THE CRYSTAL FACE AND IN ELECTRICAL CONTACT WITH THE CONDUCTIVE MATERIAL IN THE REAR LENS GROOVE, ADHESIVE MEANS TO SECURE THE FRONT LENS, REAR LENS, POLARIZING MATERIAL AND CONDUCTIVE COATING TOGETHER AND MEANS INCLUDING THE CONDUCTIVE MATERIAL IN EACH OF THE GROOVES TO APPLY ELECTRICAL POTENTIAL TO EACH OF THE CONDUCTIVE COATINGS WHEREBY LIGHT ENTERING THE DEVICE IS MODULATED IN ITS PASSAGE THERETHROUGH.
Claim 2
Dependent Claim 225 words
AN ELECTRICALLY RESPONSIVE LIGHT CONTROLLING DEVICE COMPRISING A LAMINATED MENISCUS FRONT LENS, A FIRST LAYER OF A LIGHT POLARIZING MATERIAL IN SAID LAMINATED FRONT LENS, AN ANNULAR GROOVE ON THE INNER SURFACE OF THE FRONT LENS AND SPACED FROM THE PERIPHERY THEREOF, A QUANTITY OF ELECTRICALLY CONDUCTIVE MATERIAL IN SAID GROOVE, AT LEAST AND CURVED ELECTRO-OPTICALLY RESPONSIVE CRYSTAL UPON AND REARWARDLY DISPOSED WITH RESPECT TO THE FRONT LENS, A FIRST TRANSPARENT ELECTRICALLY CONDUCTIVE COATING BETWEEN THE FRONT LENS AND THE CRYSTAL OVERLYING THE CRYSTAL FACE AND IN ELECTRICAL CONTACT WITH THE CONDUCTIVE MATERIAL IN THE GROOVE, A LAMINATED MENISCUS REAR LENS REARWARDLY DISPOSED WITH RESPECT TO THE CRYSTAL, A SECOND LAYER OF A LIGHT POLARIZING MATERIAL IN SAID LAMINATED REAR LENS, AN ANNULAR GROOVE ON THE INNER SURFACE OF THE REAR LENS AND SPACED FROM THE PERIPHERY THEREOF, A QUANTITY OF ELECTRICALLY CONDUCTIVE MATERIAL IN SAID REAR LENS GROOVE, A SECOND TRANSPARENT ELECTRICALLY CONDUCTIVE COATING BETWEEN THE CRYSTAL AND REAR LENS OVERLYLING THE CRYSTAL FACE AND IN ELECTRICAL CONTACT WITH THE CONDUCTIVE MATERIAL IN THE REAR LENS GROOVE, ADHESIVE MEANS TO SECURE THE FRONT LENS, REAR LENS, POLARIZING MATERIAL AND CONDUCTIVE COATING TOGETHER AND MEANS INCLUDING THE CONDUCTIVE MATERIAL IN EACH OF THE GROOVES TO APPLY ELECTRICAL POTENTIAL TO EACH OF THE CONDUCTIVE COATINGS WHEREBY LIGHT ENTERING THE DEVICE IS MODULATED IN ITS PASSAGE THERETHROUGH.

References Cited (Backward Citations)

US3124623A Cited
US2370697A Cited
US2403730A Cited
US2493200A Cited
US2808351A Cited
US2876393A Cited
US2926293A Cited
US3167607A Cited
US2997521A Cited
US3160736A Cited
US3152215A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-11 1969-10-11 1970-04-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-11 1973-10-11 1974-04-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-11 1977-10-11 1978-04-12 $7700.00 Window Closed / Lapsed

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