Patent US3246507A successfully refreshed from Google Patents.
US3246507A
Expired / Lapsed
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Method and apparatus for measuring intra-ocular pressure
Assignee: American Optical Corp
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Filing: 1963-04-05
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Granted: 1966-04-19
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Expires: 1983-04-05
Abstract
No abstract record available.
Inventors
- 👤 Hyde Walter Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:57
CPC Classifications
A; A61; A61B; A61B3/00; A61B3/10; A61B3/16; A61B3/165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD OF TONOMETRY COMPRISING AS STEPS: PROJECTING A STREAM OF FLUID ONTO AN EYE WITH SELECTED FORCE FROM A POSITION SPACED FROM THE EYE FOR DISTORTING THE EYE AGAINST INTRAOCULAR PRESSURE, AND SENSING THE DEGREE OF SAID DISTORTION FROM A POSITION SPACED FROM THE EYE AS AN INDICATION OF SAID INTRAOCULAR PRESSURE.
Claim 2
Independent Claim
53 words
A METHOD OF TONOMETRY COMPRISING AS STEPS: PROJECTING A STREAM OF FLUID ONTO AN EYE WITH SELECTED FORCE FROM A POSITION SPACED FROM THE EYE FOR DISTORTING THE EYE AGAINST INTRAOCULAR PRESSURE, AND SENSING THE DEGREE OF SAID DISTORTION FROM A POSITION SPACED FROM THE EYE AS AN INDICATION OF SAID INTRAOCULAR PRESSURE.
References Cited (Backward Citations)
US2708928A
Cited
US2986924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |