Patent US1458860A successfully refreshed from Google Patents.
Patent US3177761A successfully refreshed from Google Patents.
US3177761A
Expired / Lapsed
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Polariscope having simultaneously rotatable waveplates
Assignee: PHOTOLASTIC Inc
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Filing: 1963-09-09
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Granted: 1965-04-13
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Redner Salomon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:19
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
231 words
A POLARISCOPE COMPRISING A SOURCE OF LIGHT, A POLARIZER MOUNTED ADJACENT SAID SOURCE OF LIGHT TO POLARIZE LIGHT IN AN OPTICAL PLANE, AN ANALYZER, SAID ANALYZER HAVING AN OPTICAL PLANE OF POLARIZATION, ANALYZER SUPPORT MEANS FOR SUPPORTING SAID ANALYZER WITH THE OPTICAL PLANE OF POLARIZATION THEREOF PERPENDICULAR TO THE OPTICAL PLANE OF POLARIZATION OF SAID POLARIZER, A QUARTER WAVELENTH POLARIZER BIREFRINGENT PLATE MOUNTED ALONG A COMMON OPTICAL AXIS BETWEEN SAID POLARIZER AND ANALYZER, A QUARTER WAVELENGTH ANALYZER BIREFRINGENT PLATE MOUNTED ALOND SAID OPTICAL AXIS BETWEEN SAID POLARIZER BIREFRINGENT PLATE AND SAID ANALYZER, AN ANALYZER BIREFRINGENT PLATE SUPPORT MEANS FOR SUPPORTING SAID ANALYZER BIREFRIGNENT PLATE FOR ROATATIVE MOVEMENT WITH RESPECT TO SAID ANALYZER, A POLARIZER BIREFRINGENT PLATE SUPPORT MEANS FOR SUPPORTING SAID POLARIZER BIREFRINGENT PLATE FOR ROTATIVE MOVEMENT WITH RESPECT TO SAID POLARIZER, AND COUPLING MEANS COUPLING SAID ANALYZER BIREFRINGENT PLATE SUPORT MEANS FOR ROTATING POLARIZER BIREFRINGENT PLATE SUPPORT MEANS FOR ROTATING SAID POLARIZER BIREFRINGENT PLATE SUPPORT MEANS AND ANALYZER BIREFRINGENT PLATE SUPPORT MEANS IN SYNCHRONIZATION RELATIVE TO SAID POLARIZER AND ANALYZER BETWEEN A FIRST ROTATIVE POSITION WHEREIN SAID ANALYZER AND POLARIZER BIREFRINGENT PLATES HAVE AN OPTICAL AXIS PARALLEL TO THE OPTICAL PLANES OF POLARIZATION OF SAID ANALYZER AND POLARIZER RESPECTIVELY, AND A SECOND ROTATIVE POSITION WHEREIN SAID ANALYZER AND POLARIZER BIREFRINGENT PLATES HAVE AN OPTICAL AXIS ORIENTED AT 45* TO THE OPTICAL PLATES OF POLARIZATION OF SAID ANALYZER AND POLARIZER RESPECTIVELY.
Claim 2
Dependent Claim
231 words
A POLARISCOPE COMPRISING A SOURCE OF LIGHT, A POLARIZER MOUNTED ADJACENT SAID SOURCE OF LIGHT TO POLARIZE LIGHT IN AN OPTICAL PLANE, AN ANALYZER, SAID ANALYZER HAVING AN OPTICAL PLANE OF POLARIZATION, ANALYZER SUPPORT MEANS FOR SUPPORTING SAID ANALYZER WITH THE OPTICAL PLANE OF POLARIZATION THEREOF PERPENDICULAR TO THE OPTICAL PLANE OF POLARIZATION OF SAID POLARIZER, A QUARTER WAVELENTH POLARIZER BIREFRINGENT PLATE MOUNTED ALONG A COMMON OPTICAL AXIS BETWEEN SAID POLARIZER AND ANALYZER, A QUARTER WAVELENGTH ANALYZER BIREFRINGENT PLATE MOUNTED ALOND SAID OPTICAL AXIS BETWEEN SAID POLARIZER BIREFRINGENT PLATE AND SAID ANALYZER, AN ANALYZER BIREFRINGENT PLATE SUPPORT MEANS FOR SUPPORTING SAID ANALYZER BIREFRIGNENT PLATE FOR ROATATIVE MOVEMENT WITH RESPECT TO SAID ANALYZER, A POLARIZER BIREFRINGENT PLATE SUPPORT MEANS FOR SUPPORTING SAID POLARIZER BIREFRINGENT PLATE FOR ROTATIVE MOVEMENT WITH RESPECT TO SAID POLARIZER, AND COUPLING MEANS COUPLING SAID ANALYZER BIREFRINGENT PLATE SUPORT MEANS FOR ROTATING POLARIZER BIREFRINGENT PLATE SUPPORT MEANS FOR ROTATING SAID POLARIZER BIREFRINGENT PLATE SUPPORT MEANS AND ANALYZER BIREFRINGENT PLATE SUPPORT MEANS IN SYNCHRONIZATION RELATIVE TO SAID POLARIZER AND ANALYZER BETWEEN A FIRST ROTATIVE POSITION WHEREIN SAID ANALYZER AND POLARIZER BIREFRINGENT PLATES HAVE AN OPTICAL AXIS PARALLEL TO THE OPTICAL PLANES OF POLARIZATION OF SAID ANALYZER AND POLARIZER RESPECTIVELY, AND A SECOND ROTATIVE POSITION WHEREIN SAID ANALYZER AND POLARIZER BIREFRINGENT PLATES HAVE AN OPTICAL AXIS ORIENTED AT 45* TO THE OPTICAL PLATES OF POLARIZATION OF SAID ANALYZER AND POLARIZER RESPECTIVELY.
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 |