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US3218744A Expired / Lapsed US ⏱️ 0.0 years remaining

Projector and transparent slide storage magazine therefor

Assignee: Argus Inc
•
Filing: 1961-11-06
•
Granted: 1965-11-23
•
Expires: 1981-11-06
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Abstract

No abstract record available.

Inventors

  • 👤 Jacob D Danner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:44
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/02; G03B23/04; G03B23/048

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 167 words
A MAGAZINE FOR STORING A PLURALITY OF TRANSPARENT SLIDES FOR REMOVAL ONE AT A TIME TO A PROJECTION GATE IN A SLIDE PROJECTOR INCLUDING A FIRST MEMBER HAVING A TOP WALL, A PAIR OF PARTIAL END WALLS AT THE ENDS OF THE TOP WALL, AND A PORTION OF A SIDE WALL; A SECOND MEMBER HAVING A BOTTOM WALL, A PAIR OF PARTIAL END WALLS AT THE ENDS OF THE BOTTOM WALL, AND A PORTION OF THE SIDE WALL; CONNECTION MEANS PIVOTALLY CONNECTING THE TWO MEMBERS TOGETHER AT THE PARTIAL END WALL PORTIONS SO AS TO PROVIDE BETWEEN SAID SIDE WALLS A SLIDE INJECTOR RECEIVING LENGTH AND AN OPEN SIDE OPPOSITE THE SIDE WALL; A PLURALITY OF PARTITIONS EXTENDING TOWARD EACH OTHER FROM SAID FIRST AND SECOND MEMBERS FOR DIVIDING THE MAGAZINE INTO A PLURALITY OF SLIDE COMPARTMENTS; AND BIASING MEANS FOR BIASING THE FIRST AND SECOND MEMBERS ABOUT SAID CONNECTING MEANS IN A DIRECTION TENDING TO CLOSE THE OPEN SIDE TO PREVENT WITHDRAWAL OF THE SLIDES THEREFROM.
Claim 2
Dependent Claim 167 words
A MAGAZINE FOR STORING A PLURALITY OF TRANSPARENT SLIDES FOR REMOVAL ONE AT A TIME TO A PROJECTION GATE IN A SLIDE PROJECTOR INCLUDING A FIRST MEMBER HAVING A TOP WALL, A PAIR OF PARTIAL END WALLS AT THE ENDS OF THE TOP WALL, AND A PORTION OF A SIDE WALL; A SECOND MEMBER HAVING A BOTTOM WALL, A PAIR OF PARTIAL END WALLS AT THE ENDS OF THE BOTTOM WALL, AND A PORTION OF THE SIDE WALL; CONNECTION MEANS PIVOTALLY CONNECTING THE TWO MEMBERS TOGETHER AT THE PARTIAL END WALL PORTIONS SO AS TO PROVIDE BETWEEN SAID SIDE WALLS A SLIDE INJECTOR RECEIVING LENGTH AND AN OPEN SIDE OPPOSITE THE SIDE WALL; A PLURALITY OF PARTITIONS EXTENDING TOWARD EACH OTHER FROM SAID FIRST AND SECOND MEMBERS FOR DIVIDING THE MAGAZINE INTO A PLURALITY OF SLIDE COMPARTMENTS; AND BIASING MEANS FOR BIASING THE FIRST AND SECOND MEMBERS ABOUT SAID CONNECTING MEANS IN A DIRECTION TENDING TO CLOSE THE OPEN SIDE TO PREVENT WITHDRAWAL OF THE SLIDES THEREFROM.

References Cited (Backward Citations)

US2711602A Cited
US2982177A Cited
US2938288A Cited
US2942365A Cited
US2986070A Cited
US2953967A Cited
US3146666A Cited

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

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