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US3221598A Expired / Lapsed US ⏱️ 0.0 years remaining

Detachable control means for slide projectors or the like

Assignee: View Master International Group
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Filing: 1962-12-31
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Granted: 1965-12-07
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Expires: 1982-12-31
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Abstract

No abstract record available.

Inventors

  • 👤 Walter J Hall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:55
CPC Classifications
G; G03; G03B; G03B23/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 181 words
CONTROL MEANS FOR A SLIDE PROJECTOR HAVING A HOUSING AND A CONTROL PANEL COMPRISING SAID CONTROL PANEL HAVING A CAVITY WITH FIRST ELECTRIC CONTACT MEANS THEREIN, A REMOTECONTROL HANDPIECE ADAPTED TO BE RECEIVED IN SAID CAVITY AND HAVING SECOND ELECTRIC CONTACT MEANS THEREON COMPLEMENTARY WITH SAID FIRST CONTACT MEANS, WHICH HANDPIECE HAS A FACE ADAPTED TO BLEND IN WITH THE OVER-ALL CONFIGURATION OF THE CONTROL PANEL, SAID HANDPIECE BEING DETACHABLY SECURED TO SAID PROJECTOR BY MATING ENGAGEMENT OF SAID FIRST ELECTRIC CONTACT MEANS WITH SECOND ELECTRIC CONTACT MEANS FOR OPERATION OF THE PROJECTOR, THE MATING ENGAGEMENT OF SAID FIRST AND SECOND CONTACT MEANS SERVING AS THE SOLE MEANS FOR DETACHABLY SECURING SAID HAND PIECE TO SAID PROJECTOR, SAID HANDPIECE BEING ADAPTED TO BE DETACHED FROM SAID PROJECTOR FOR ENGAGEMENT OF THE SECOND ELECTRIC CONTACT MEANS WITH COMPLEMENTARY CONTACT MEANS ON ONE END OF ELONGATED, FLEXIBLE, ELECTRIC CONDUCTOR MEANS, SAID FIRST ELECTRIC CONTACT MEANS BEING ADAPTED FOR ENGAGEMENT WITH OTHER COMPLEMENTARY CONTACT MEANS ON THE OTHER END OF SAID ELECTRIC CONDUCTOR MEANS, WHEREBY SAID PROJECTOR MAY BE OPERATED REMOTELY BY SAID HANDPIECE.
Claim 2
Dependent Claim 181 words
CONTROL MEANS FOR A SLIDE PROJECTOR HAVING A HOUSING AND A CONTROL PANEL COMPRISING SAID CONTROL PANEL HAVING A CAVITY WITH FIRST ELECTRIC CONTACT MEANS THEREIN, A REMOTECONTROL HANDPIECE ADAPTED TO BE RECEIVED IN SAID CAVITY AND HAVING SECOND ELECTRIC CONTACT MEANS THEREON COMPLEMENTARY WITH SAID FIRST CONTACT MEANS, WHICH HANDPIECE HAS A FACE ADAPTED TO BLEND IN WITH THE OVER-ALL CONFIGURATION OF THE CONTROL PANEL, SAID HANDPIECE BEING DETACHABLY SECURED TO SAID PROJECTOR BY MATING ENGAGEMENT OF SAID FIRST ELECTRIC CONTACT MEANS WITH SECOND ELECTRIC CONTACT MEANS FOR OPERATION OF THE PROJECTOR, THE MATING ENGAGEMENT OF SAID FIRST AND SECOND CONTACT MEANS SERVING AS THE SOLE MEANS FOR DETACHABLY SECURING SAID HAND PIECE TO SAID PROJECTOR, SAID HANDPIECE BEING ADAPTED TO BE DETACHED FROM SAID PROJECTOR FOR ENGAGEMENT OF THE SECOND ELECTRIC CONTACT MEANS WITH COMPLEMENTARY CONTACT MEANS ON ONE END OF ELONGATED, FLEXIBLE, ELECTRIC CONDUCTOR MEANS, SAID FIRST ELECTRIC CONTACT MEANS BEING ADAPTED FOR ENGAGEMENT WITH OTHER COMPLEMENTARY CONTACT MEANS ON THE OTHER END OF SAID ELECTRIC CONDUCTOR MEANS, WHEREBY SAID PROJECTOR MAY BE OPERATED REMOTELY BY SAID HANDPIECE.

References Cited (Backward Citations)

US2013331A Cited
US2199371A Cited
US2333028A Cited
US2748653A Cited
DE1108466B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-06 1969-06-07 1969-12-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-06 1973-06-07 1973-12-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-06 1977-06-07 1977-12-07 $7700.00 Window Closed / Lapsed

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