US3269578A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1964-03-25
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Granted: 1966-08-30
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Expires: 1984-03-25
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)
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 |