Patent US3233515A successfully refreshed from Google Patents.
US3233515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rear view mirror containing a fluid light controlling medium
Assignee: Old Carco LLC
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Filing: 1961-12-01
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Granted: 1966-02-08
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Jr George E Platzer
- 👤 Teague Dwight Maxwell
- 👤 Jr Harry G Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:58
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/02; B60R1/08; B60R1/083; B60R1/089
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A MIRROR STRUCTURE COMPRISING AN ENCLOSURE INCLUDING A SUBSTANTIALLY TRANSPARENT FIRST PLATE FORMING A WINDOW AND FORWARD WALL THEREFOR, SAID FIRST PLATE HAVING A LIGHT REFLECTING FRONTAL FACE OF RELATIVELY LOW LIGHT REFLECTIVITY AND HAVING A REARWARD FACE WITHIN SAID ENCLOSURE, SAID ENCLOSURE ALSO INCLUDING A SUBSTANTIALLY RIGID OPEN FRAME MEMBER HAVING A PERIPHERAL OUTER WALL AND HAVING FORWARD AND REARWARD WALLS AND A RESILIENT DIAPHRAGM DEFINING A FLUID CHAMBER WITH SAID FRAME AND SAID FIRST PLATE FOR RECEIVING AN OPTICALLY DENSE LIGHT ATTENUATING FLUID, A SECOND PLATE WITHIN SAID FLUID CHAMBER AND MOVABLE IN THE FLUID THEREIN TOWARD AND AWAY FROM SAID FIRST PLATE AND MEANS TO ACTUATE SAID SECOND PLATE, SAID SECOND PLATE HAVING A LIGHT REFLECTING FACE OF RELATIVELY HIGH LIGHT REFLEC-
Claim 2
Dependent Claim
125 words
A MIRROR STRUCTURE COMPRISING AN ENCLOSURE INCLUDING A SUBSTANTIALLY TRANSPARENT FIRST PLATE FORMING A WINDOW AND FORWARD WALL THEREFOR, SAID FIRST PLATE HAVING A LIGHT REFLECTING FRONTAL FACE OF RELATIVELY LOW LIGHT REFLECTIVITY AND HAVING A REARWARD FACE WITHIN SAID ENCLOSURE, SAID ENCLOSURE ALSO INCLUDING A SUBSTANTIALLY RIGID OPEN FRAME MEMBER HAVING A PERIPHERAL OUTER WALL AND HAVING FORWARD AND REARWARD WALLS AND A RESILIENT DIAPHRAGM DEFINING A FLUID CHAMBER WITH SAID FRAME AND SAID FIRST PLATE FOR RECEIVING AN OPTICALLY DENSE LIGHT ATTENUATING FLUID, A SECOND PLATE WITHIN SAID FLUID CHAMBER AND MOVABLE IN THE FLUID THEREIN TOWARD AND AWAY FROM SAID FIRST PLATE AND MEANS TO ACTUATE SAID SECOND PLATE, SAID SECOND PLATE HAVING A LIGHT REFLECTING FACE OF RELATIVELY HIGH LIGHT REFLEC-
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |