US3089270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide title means
Assignee: Viewlex Inc
•
Filing: 1959-09-21
•
Granted: 1963-05-14
•
Expires: 1979-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert C Shoemaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:47
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROJECTION SLIDE COMPRISING A FRAME HAVING A PICTURE OPENING AND A TITLE OPENING, A FILM IN SAID PICTURE OPENING WITH A PHOTOGRAPHOC EMULSION ON ONE SURFACE OF THE FILM, A TITLE FILM ON ONE FACE OF SAID FRAME, A BACKGROUND COATING ON THE EXPOSED SURFACE OF SAID TITLE FILM OF SUITABLE OPACITY, SAID TITLE FILM EXTENDING OVER SAID TITLE OPENING WITH THAT PORTION OF SAID TITLE FILM LYING OVER THE
Claim 2
Dependent Claim
71 words
A PROJECTION SLIDE COMPRISING A FRAME HAVING A PICTURE OPENING AND A TITLE OPENING, A FILM IN SAID PICTURE OPENING WITH A PHOTOGRAPHOC EMULSION ON ONE SURFACE OF THE FILM, A TITLE FILM ON ONE FACE OF SAID FRAME, A BACKGROUND COATING ON THE EXPOSED SURFACE OF SAID TITLE FILM OF SUITABLE OPACITY, SAID TITLE FILM EXTENDING OVER SAID TITLE OPENING WITH THAT PORTION OF SAID TITLE FILM LYING OVER THE
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |