US3343467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflex marker
Assignee: Corning Glass Works
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Filing: 1965-03-29
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Granted: 1967-09-26
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Gordon G Bonvallet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:33
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/50; E01F9/553
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A REFLEX LENS COMPRISING A SOLID TRANSPARENT BODY HAVING AN INCIDENT SURFACE AND A REFLECTING SURFACE, SAID SURFACES BEING SURFACES OF REVOLUTION ABOUT A COMMON AXIS AND BEING ON OPPOSITE SIDES OF A PLANE PERPENDICULAR TO SAID COMMON AXIS, THE INTERSECTIONS OF EACH SAID SURFACE WITH PLANES THROUGH SAID COMMON AXIS BEING OUTWARDLY CONVEX, EACH SAID SURFACE SLOPING AWAY FROM SAID PLANE TOWARDS SAID COMMON AXIS, AT LEAST ONE OF SAID INCIDENT AND REFLECTING SURFACES HAVING AT LEAST ONE SECTOR PROVIDED WITH FILTER MEANS FOR MODIFYING THE PERCEPTIBLE COLOR OF LIGHT FALLING UPON SAID SURFACE AND REFLECTED BY SAID LENS SO AS TO DIFFER FROM THE PERCEPTIBLE COLOR OF LIGHT FALLING ON AT LEAST ONE OTHER SECTOR OF THE SAME SAID SURFACE AND REFLECTED BY SAID LENS.
Claim 2
Dependent Claim
127 words
A REFLEX LENS COMPRISING A SOLID TRANSPARENT BODY HAVING AN INCIDENT SURFACE AND A REFLECTING SURFACE, SAID SURFACES BEING SURFACES OF REVOLUTION ABOUT A COMMON AXIS AND BEING ON OPPOSITE SIDES OF A PLANE PERPENDICULAR TO SAID COMMON AXIS, THE INTERSECTIONS OF EACH SAID SURFACE WITH PLANES THROUGH SAID COMMON AXIS BEING OUTWARDLY CONVEX, EACH SAID SURFACE SLOPING AWAY FROM SAID PLANE TOWARDS SAID COMMON AXIS, AT LEAST ONE OF SAID INCIDENT AND REFLECTING SURFACES HAVING AT LEAST ONE SECTOR PROVIDED WITH FILTER MEANS FOR MODIFYING THE PERCEPTIBLE COLOR OF LIGHT FALLING UPON SAID SURFACE AND REFLECTED BY SAID LENS SO AS TO DIFFER FROM THE PERCEPTIBLE COLOR OF LIGHT FALLING ON AT LEAST ONE OTHER SECTOR OF THE SAME SAID SURFACE AND REFLECTED BY SAID LENS.
References Cited (Backward Citations)
GB405471A
Cited
US2329171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |