US3266393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and methods for marking film
Assignee: OPTO MECHANISMS Inc
•
Filing: 1963-06-19
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Granted: 1966-08-16
•
Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Anwar K Chitayat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:25
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24; G03B17/245; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/243; Y; Y10; Y10S; Y10S430/00; Y10S430/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
MEANS TO PLACE IDENTIFICATION MARKS ON FILM COMPRISING: A LASER, MEANS TO PULSE SAID LASER, A RETICLE PLACED IN FRONT OF SAID LASER, MEANS TO HOLD FILM IN FRONT OF SAID RETICLE AND MEANS LOCATED ADJACENT SAID FILM TO PLACE A TRANSPARENT DYE ON SAID FILM, SAID DYE BEING RESPONSIVE TO SAID LASER ENERGY TO PLACE A MARK ON SAID FILM,
Claim 2
Dependent Claim
61 words
MEANS TO PLACE IDENTIFICATION MARKS ON FILM COMPRISING: A LASER, MEANS TO PULSE SAID LASER, A RETICLE PLACED IN FRONT OF SAID LASER, MEANS TO HOLD FILM IN FRONT OF SAID RETICLE AND MEANS LOCATED ADJACENT SAID FILM TO PLACE A TRANSPARENT DYE ON SAID FILM, SAID DYE BEING RESPONSIVE TO SAID LASER ENERGY TO PLACE A MARK ON SAID FILM,
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US2478545A
Cited
US2566509A
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |