US3218926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming light modifying display representations having differently oriented polarizing areas
Assignee: Polaroid Corp
•
Filing: 1959-02-04
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Granted: 1965-11-23
•
Expires: 1979-02-04
Abstract
No abstract record available.
Inventors
- 👤 Boone Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:25
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/18; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A RAPID AND ECONOMICAL METHOD OF PRODUCING A LARGE COLUME OF IDENTICAL LIGHT MODIFYING DISPLAY MATERIALS WHICH INCLUDE A PLURALITY OF DIFFERENTLY ORIENTED AREAS ADAPTED, WHEN SUBJECTED TO AXIALLY CHANGING POLARIZED LIGHT, TO EXHIBIT VISIBLE CHANGE EFFECTS SUCH AS AN ANIMATION SEQUENCE, SAID METHOD COMPRISING THE STEPS OF PREPARING A PLURALITY OF PERFORATED PLATES, THE PERFORATIONS OF WHICH ARE IDENTIFIED WITH DIFFERENT PORTIONS OF PHASES OF SAID EFFECTS, SAID PERFORATIONS BEING ADAPTED TO THE APPLICATION OF AN ORIENTING MECHANICAL FORCE THERETHROUGH, APPLYING AN UNORIENTED BUT MOLECULARLY ORIENTATED MATERIAL ADAPTED, WHEN ORIENTED, TO MODIFY INCIDENT POLARIZED LIGHT TO A SHEET MATERIAL PROVIDING A SUPPORTING SURFACE, PLACING A FIRST OF SAID PLATES ON SAID SURFACE SO THAT SAID PERFORATIONS ARE ALIGNED WITH SAID ORIENTABLE MATERIAL, APPLYING A MECHANICAL STRESS IN A FIRST GIVEN DIRECTION THROUGH SAID
Claim 2
Dependent Claim
134 words
A RAPID AND ECONOMICAL METHOD OF PRODUCING A LARGE COLUME OF IDENTICAL LIGHT MODIFYING DISPLAY MATERIALS WHICH INCLUDE A PLURALITY OF DIFFERENTLY ORIENTED AREAS ADAPTED, WHEN SUBJECTED TO AXIALLY CHANGING POLARIZED LIGHT, TO EXHIBIT VISIBLE CHANGE EFFECTS SUCH AS AN ANIMATION SEQUENCE, SAID METHOD COMPRISING THE STEPS OF PREPARING A PLURALITY OF PERFORATED PLATES, THE PERFORATIONS OF WHICH ARE IDENTIFIED WITH DIFFERENT PORTIONS OF PHASES OF SAID EFFECTS, SAID PERFORATIONS BEING ADAPTED TO THE APPLICATION OF AN ORIENTING MECHANICAL FORCE THERETHROUGH, APPLYING AN UNORIENTED BUT MOLECULARLY ORIENTATED MATERIAL ADAPTED, WHEN ORIENTED, TO MODIFY INCIDENT POLARIZED LIGHT TO A SHEET MATERIAL PROVIDING A SUPPORTING SURFACE, PLACING A FIRST OF SAID PLATES ON SAID SURFACE SO THAT SAID PERFORATIONS ARE ALIGNED WITH SAID ORIENTABLE MATERIAL, APPLYING A MECHANICAL STRESS IN A FIRST GIVEN DIRECTION THROUGH SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |