US3177593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eye display and viewer
Assignee: Wyeth LLC
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Filing: 1962-11-05
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Granted: 1965-04-13
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Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Kurt M Loeb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:13
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/28; G09B23/30; G09B23/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN EYE MODEL AND TRANSPARENCY VIEWER COMPRISING A HOLLOW SHELL HAVING THE GENERAL EXTERIOR SHAPE OF AN EYE, A CIRCULAR APERTURE DEFINED BY MOUNTING MEANS AT ONE END OF SAID SHELL, SAID MOUNTING MEANS COMPRISING AN INNER RETENTION LEDGE EXTENDING INWARDLY OF THE APERTURE AND TERMINATING A FIRST PREDETERMINE DISTANCE FROM THE CENTER OF THE APERTURE AND A PAIR OF OPPOSED OUTER RETENTION LEDGES ALSO EXTENDING INWARDLY OF THE APERTURE AND TERMINATING A SECOND PREDETERMINE DISTANCE FROM THE CENTER OF THE APERTURE WHICH IS FURTHER FROM THE CENTER THEN IS SAID FIRST PREDETERMINED DISTANCE, A REMOVABLE CENTRALLY APERTURED IRIS MEMBER SUPPORTED IN SAID APERTURE MOUNTING MEANS, SAID IRIS MEMBER HAVING A DIAMETER GREATER THAN SAID FIRST PREDETERMINED DISTANCE AND LESSER THAN SAID SECOND PREDETERMINED DISTANCE AND ABUTTING SAID INNER RETENTION LEDGE, A REMOVABLE TRANS-
Claim 2
Dependent Claim
134 words
AN EYE MODEL AND TRANSPARENCY VIEWER COMPRISING A HOLLOW SHELL HAVING THE GENERAL EXTERIOR SHAPE OF AN EYE, A CIRCULAR APERTURE DEFINED BY MOUNTING MEANS AT ONE END OF SAID SHELL, SAID MOUNTING MEANS COMPRISING AN INNER RETENTION LEDGE EXTENDING INWARDLY OF THE APERTURE AND TERMINATING A FIRST PREDETERMINE DISTANCE FROM THE CENTER OF THE APERTURE AND A PAIR OF OPPOSED OUTER RETENTION LEDGES ALSO EXTENDING INWARDLY OF THE APERTURE AND TERMINATING A SECOND PREDETERMINE DISTANCE FROM THE CENTER OF THE APERTURE WHICH IS FURTHER FROM THE CENTER THEN IS SAID FIRST PREDETERMINED DISTANCE, A REMOVABLE CENTRALLY APERTURED IRIS MEMBER SUPPORTED IN SAID APERTURE MOUNTING MEANS, SAID IRIS MEMBER HAVING A DIAMETER GREATER THAN SAID FIRST PREDETERMINED DISTANCE AND LESSER THAN SAID SECOND PREDETERMINED DISTANCE AND ABUTTING SAID INNER RETENTION LEDGE, A REMOVABLE TRANS-
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |