US3118341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic slide projector
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
•
Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:44
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A SLIDE PROJECTOR COMPRISING A HOUSING HAVING AN OPTICAL PROJECTION AXIS EXTENDING THERETHROUGH, FIRST MAGAZINE TRACK MEANS OFFSET LATERALLY ON ONE SIDE OF SAID AXIS FOR HOLDING A FIRST SLIDE MAGAZINE FOR SLIDES OF ONE SIZE IN A POSITION TO HAVE INDIVIDUAL SLIDES MOVED THEREFROM INTO PROJECTION POSITION ON SAID AXIS, AND SECOND MAGAZINE TRACK MEANS OFFSET LATERALLY ON THE OPPOSITE SIDE OF SAID AXIS FOR HOLDING A SECOND SLIDE MAGAZINE FOR SLIDES OF A DIFFERENT SIZE IN A POSITION TO HAVE INDIVIDUAL SLIDES MOVED THEREFROM INTO PROJECTION POSITION ON SAID AXIS, THE SLIDES OF THE TWO SIZES CONSTITUTING TWO SETS INDEPENDENT OF EACH OTHER, SAID FIRST MAGAZINE TRACK MEANS AND SAID SECOND MAGAZINE TRACK MEANS BEING DISSIMILAR TO
Claim 2
Dependent Claim
119 words
A SLIDE PROJECTOR COMPRISING A HOUSING HAVING AN OPTICAL PROJECTION AXIS EXTENDING THERETHROUGH, FIRST MAGAZINE TRACK MEANS OFFSET LATERALLY ON ONE SIDE OF SAID AXIS FOR HOLDING A FIRST SLIDE MAGAZINE FOR SLIDES OF ONE SIZE IN A POSITION TO HAVE INDIVIDUAL SLIDES MOVED THEREFROM INTO PROJECTION POSITION ON SAID AXIS, AND SECOND MAGAZINE TRACK MEANS OFFSET LATERALLY ON THE OPPOSITE SIDE OF SAID AXIS FOR HOLDING A SECOND SLIDE MAGAZINE FOR SLIDES OF A DIFFERENT SIZE IN A POSITION TO HAVE INDIVIDUAL SLIDES MOVED THEREFROM INTO PROJECTION POSITION ON SAID AXIS, THE SLIDES OF THE TWO SIZES CONSTITUTING TWO SETS INDEPENDENT OF EACH OTHER, SAID FIRST MAGAZINE TRACK MEANS AND SAID SECOND MAGAZINE TRACK MEANS BEING DISSIMILAR TO
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |