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US3269578A Expired / Lapsed US ⏱️ 0.0 years remaining

Display device

Assignee: Individual
•
Filing: 1964-03-25
•
Granted: 1966-08-30
•
Expires: 1984-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Robert B Lewis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:36
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/14; A01G9/16; A01G13/00; A01G13/20; A01G13/26; A01K; A01K63/00; A01K63/003; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/25

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 226 words
A DISPLAY DEVICE FOR LIVING SPECIMENS, SAID DISPLAY DEVICE COMPRISING FIRST AND SECOND TRANSPARENT MEMBERS DISPOSED IN VERTICAL OPPOSING RELATIONSHIP, EACH OF SAID FIRST AND SECOND TRANSPARENT MEMBERS BEING FORMED AS A SEGMENT OF A SPHERE NO GREATER THAN A HEMISPHERE IN ARCUATE EXTENT AND TERMINATING IN A LATERAL, OUTWARDLYEXTENDING FLANGE AND A SUPPORT MEMBER HAVING A TRANSPARENT MEMBERS, SAID SUPPORT MEMBER HAVING A LATERAL, HORIZONTALLY-DISPOSED INWARDLY-EXTENDING FLANGE DEFINING A CENTRAL OPENING IN SAID SUPPORT MEMBER AND SUPPORTING THE LATERAL, OUTWARDLY-EXTENDING FLANGES OF SAID FIRST AND SECOND TRANSPARENT MEMBERS, SAID SUPPORT MEMBER FURTHER HAVING A VERTICALLY-DISPOSED PORTION ABUTTING AGAINST SAID LATERAL, OUTWARDLY-EXTENDING FLANGES OF SAID PAIR OF TRANSPARENT MEMBERS SO AS TO RESTRAIN SAID PAIR OF TRANSPARENT MEMBERS AGAINST LATERAL MOVEMENT RELATIVE TO SAID SUPPORT MEMBER, SAID FIRST TRANSPARENT MEMBER BEING DISPOSED IN AN INVERTED POSITION AS A RECEPTACLE HAVING A SPHERICAL PORTION EXTENDING DOWNWARDLY THROUGH SAID CENTRAL OPENING IN SAID SUPPORT MEMBER AND HAVING ITS SAID LATERAL, OUTWARDLY-EXTENDING FLANGE RESTING DIRECTLY ON SAID INWARDLY-EXTENDING FLANGE OF SAID SUPPORT MEMBER BY GRAVITATIONAL FORCE WITHOUT OTHER SECUREMENT AGAINST RELATIVE MOVEMENT IN A VERTICAL DIRECTION, SAID SECOND TRANSPARENT MEMBER BEING DISPOSED IN AN UPRIGHT POSITION AS AN ENCLOSING DOME AND HAVING ITS OUTWARDLYEXTENDING FLANGE RESTING DIRECTLY ON SAID OUTWARDLY-EXTENDING FLANGE OF SAID FIRST TRANSPARENT MEMBER BY GRAVITATIONAL FORCE WITHOUT OTHER SECUREMENT AGAINST RELATIVE MOVEMENT IN A VERTICAL DIRECTION.

References Cited (Backward Citations)

US262232A Cited
US490902A Cited
US660782A Cited
US684738A Cited
US1029926A Cited
US1921015A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-29 1970-02-28 1970-08-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-29 1974-02-28 1974-08-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-29 1978-02-28 1978-08-30 $7700.00 Window Closed / Lapsed

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