US3238653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide changer
Assignee: Airequipt Inc
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Filing: 1963-05-09
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Granted: 1966-03-08
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Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Carl H Wiklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:21
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0001; G01L9/0005; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A SLIDE CHANGER FOR MOVING RECTANGULAR SLIDES FROM A FEED POSITION TO A VIEWING POSITION COMPRISING THE COMBINATION OF MOVABLY MOUNTED SLIDE CARRIER, A SUPPORT MEANS FOR SAID CARRIER HAVING A SLIDE PASSAGE APERTURE THEREIN, A SLIDE CARRYING POCKET IN SAID SLIDE CARRIER, MEANS TO SUPPORT A STACK OF SLIDES ADJACENT SAID SLIDE CARRIER WITH THE EDGES OF THE SLIDES ANGULARLY DISPOSED TO THE DIRECTION OF THE CARRIER MOTION AND WITH AN ENDMOST SLIDE ENGAGING SAID SUPPORT MEANS AND BEING SPACED FROM SAID SLIDE CARRIER, MEANS FOR URGING SAID STACK TOWARDS SAID SUPPORT MEANS, A GATE ENGAGING THE EDGE OF SAID ENDMOST SLIDE, A CAM FOR SWINGING SAID GATE AWAY FROM THE EDGE OF SAID ENDMOST SLIDE RESPONSIVE TO THE MOVEMENT OF THE ENDMOST SLIDE AGAINST SAID GATE AND PROVIDING AN OPENING EQUAL TO THE WIDTH OF THE ENDMOST SLIDE, AND MEANS FOR TURNING SAID ENDMOST SLIDE IN ITS OWN PLANE AND OUT OF ENGAGEMENT WITH SAID SUPPORT MEANS WHEREBY SAID PRESSURE MEANS MOVES THE ENDMOST SLIDE THROUGH SAID GATE AND SAID APERTURE INTO THE SLIDE CARRYING POCKET AND CAUSES THE NEXT TO THE ENDMOST SLIDE TO MOVE TO A POSITION AGAINST SAID SUPPORT MEANS AND SPACED FROM SAID SLIDE CARRIER.
Claim 2
Dependent Claim
201 words
A SLIDE CHANGER FOR MOVING RECTANGULAR SLIDES FROM A FEED POSITION TO A VIEWING POSITION COMPRISING THE COMBINATION OF MOVABLY MOUNTED SLIDE CARRIER, A SUPPORT MEANS FOR SAID CARRIER HAVING A SLIDE PASSAGE APERTURE THEREIN, A SLIDE CARRYING POCKET IN SAID SLIDE CARRIER, MEANS TO SUPPORT A STACK OF SLIDES ADJACENT SAID SLIDE CARRIER WITH THE EDGES OF THE SLIDES ANGULARLY DISPOSED TO THE DIRECTION OF THE CARRIER MOTION AND WITH AN ENDMOST SLIDE ENGAGING SAID SUPPORT MEANS AND BEING SPACED FROM SAID SLIDE CARRIER, MEANS FOR URGING SAID STACK TOWARDS SAID SUPPORT MEANS, A GATE ENGAGING THE EDGE OF SAID ENDMOST SLIDE, A CAM FOR SWINGING SAID GATE AWAY FROM THE EDGE OF SAID ENDMOST SLIDE RESPONSIVE TO THE MOVEMENT OF THE ENDMOST SLIDE AGAINST SAID GATE AND PROVIDING AN OPENING EQUAL TO THE WIDTH OF THE ENDMOST SLIDE, AND MEANS FOR TURNING SAID ENDMOST SLIDE IN ITS OWN PLANE AND OUT OF ENGAGEMENT WITH SAID SUPPORT MEANS WHEREBY SAID PRESSURE MEANS MOVES THE ENDMOST SLIDE THROUGH SAID GATE AND SAID APERTURE INTO THE SLIDE CARRYING POCKET AND CAUSES THE NEXT TO THE ENDMOST SLIDE TO MOVE TO A POSITION AGAINST SAID SUPPORT MEANS AND SPACED FROM SAID SLIDE CARRIER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |