← Back to Patent Explorer
US3275818A Expired / Lapsed US ⏱️ 0.0 years remaining

Display means

Assignee: Individual
•
Filing: 1964-08-26
•
Granted: 1966-09-27
•
Expires: 1984-08-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert G Campbell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:22
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/08; F21V21/096; F21S; F21S2/00; F21S2/005; F21S4/00; F21S4/20; G; G09; G09F; G09F13/00; F21W; F21W2121/00; F21W2121/004; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 273 words
A DISPLAY MEANS COMPRISING A PLURALITY OF PAIRS OF NESTED MODULAR ELEMENTS, ADAPTED TO BE MOUNTED ON A MOUNTING SURFACE AT LEAST PARTIALLY VERTICAL, EACH SAID PAIR BEING DISPOSED IN A FIXED RELATIONSHIP TO OTHER SAID PAIRS BUT UNATTACHED TO ANY OTHER SAID PAIR, EACH SAID PAIR COMPRISING TWO MODULAR ELEMENTS, EACH SAID ELEMENTS COMPRISING AN ELONGATED RIGID MEMBER HAVING A LONGITUDINAL RIGHT ANGLED BEND THEREIN, SAID BEND FORMING A FIRST LEG AND A SECOND LEG, EACH SAID LEG HAVING AN INNER SURFACE FACING SAID RIGHT ANGLE AND AN OUTER SURFACE FACING AWAY FROM SAID RIGHT ANGLE, A SINGLE MAGNET ON SAID OUTER FACE OF SAID FIRST LEG CLOSE TO ONE END OF SAID ELEMENT, A FASTENING APERTURE THROUGH SAID FIRST LEG CLOSE TO THE OTHER END OF SAID ELEMENT, SAID ELEMENTS OF EACH SAID PAIR BEING NESTED TOGETHER WITH THE INNER LEG SURFACES OF SAID ONE ELEMENT AGAINST THE OUTER LEG SURFACES OF SAID OTHER ELEMENT AND SAID FIRST LEG OF ONE ELEMENT OVER SAID FIRST LEG OF SAID OTHER ELEMENT, SAID FASTENING APERTURES IN EACH SAID ELEMENT BEING REGISTERED WITH EACH OTHER, FASTENING MEANS THROUGH SAID REGISTERED FASTENING APERTURES, EACH OF SAID MAGNETS ON A SAID PAIR FACING IN THE SAME DIRECTION AND ONE OF SAID FASTENING APERTURES IN A SAID PAIR BEING OF LONGITUDINALLY ELONGATED SLOT, SAID MOUNTING SURFACE INCLUDING MAGNETIC MATERIAL, SAID FIRST LEGS OF ALL SAID ELEMENTS IN ALL SAID PAIRS BEING AGAINST SAID MOUNTING SURFACE SO THAT THE SAID MAGNETS CONTACT SAID MAGNETIC MATERIAL, AND SAID SECOND LEGS ARE OF SAID ELEMENTS OF SAID PAIRS ARE PROVIDED WITH REMOVEABLE, ADJUSTABLE HOLDING MEANS THEREON TO HOLD A DISPLAY.
Claim 2
Dependent Claim 273 words
A DISPLAY MEANS COMPRISING A PLURALITY OF PAIRS OF NESTED MODULAR ELEMENTS, ADAPTED TO BE MOUNTED ON A MOUNTING SURFACE AT LEAST PARTIALLY VERTICAL, EACH SAID PAIR BEING DISPOSED IN A FIXED RELATIONSHIP TO OTHER SAID PAIRS BUT UNATTACHED TO ANY OTHER SAID PAIR, EACH SAID PAIR COMPRISING TWO MODULAR ELEMENTS, EACH SAID ELEMENTS COMPRISING AN ELONGATED RIGID MEMBER HAVING A LONGITUDINAL RIGHT ANGLED BEND THEREIN, SAID BEND FORMING A FIRST LEG AND A SECOND LEG, EACH SAID LEG HAVING AN INNER SURFACE FACING SAID RIGHT ANGLE AND AN OUTER SURFACE FACING AWAY FROM SAID RIGHT ANGLE, A SINGLE MAGNET ON SAID OUTER FACE OF SAID FIRST LEG CLOSE TO ONE END OF SAID ELEMENT, A FASTENING APERTURE THROUGH SAID FIRST LEG CLOSE TO THE OTHER END OF SAID ELEMENT, SAID ELEMENTS OF EACH SAID PAIR BEING NESTED TOGETHER WITH THE INNER LEG SURFACES OF SAID ONE ELEMENT AGAINST THE OUTER LEG SURFACES OF SAID OTHER ELEMENT AND SAID FIRST LEG OF ONE ELEMENT OVER SAID FIRST LEG OF SAID OTHER ELEMENT, SAID FASTENING APERTURES IN EACH SAID ELEMENT BEING REGISTERED WITH EACH OTHER, FASTENING MEANS THROUGH SAID REGISTERED FASTENING APERTURES, EACH OF SAID MAGNETS ON A SAID PAIR FACING IN THE SAME DIRECTION AND ONE OF SAID FASTENING APERTURES IN A SAID PAIR BEING OF LONGITUDINALLY ELONGATED SLOT, SAID MOUNTING SURFACE INCLUDING MAGNETIC MATERIAL, SAID FIRST LEGS OF ALL SAID ELEMENTS IN ALL SAID PAIRS BEING AGAINST SAID MOUNTING SURFACE SO THAT THE SAID MAGNETS CONTACT SAID MAGNETIC MATERIAL, AND SAID SECOND LEGS ARE OF SAID ELEMENTS OF SAID PAIRS ARE PROVIDED WITH REMOVEABLE, ADJUSTABLE HOLDING MEANS THEREON TO HOLD A DISPLAY.

References Cited (Backward Citations)

US1171138A Cited
US2743353A Cited
US2783367A Cited
US2864096A Cited
US2991036A Cited
US3025389A Cited
US3098611A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-26 1970-03-28 1970-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-26 1974-03-28 1974-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-26 1978-03-28 1978-09-27 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag