US3160752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflectometer for measuring surface finishes
Assignee: Individual
•
Filing: 1963-02-19
•
Granted: 1964-12-08
•
Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Harold E Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:14
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/30; G01B11/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A REFLECTOMETER COMPRISING IN COMBINATION: A POINT SOURCE IMAGE GENERATING MEANS FOR EMITTING CONTINUOUS BEAMS OF LIGHT HAVING WAVELENGTHS WITHIN THE INFRARED REGION OF THE SPECTRUM; AN OBJECT SUPPORT; MEANS FOR CONVERTING SAID CONTINUOUS LIGHT BEAMS TO PLUSED BEAMS; MEANS, INCLUDING A BEAM SPLITTER HAVING A LIGHT REFLECTING PORTION FOR DIRECTING SAID PULSED BEAMS TO IMPINGE UPON A GIVEN LIGHT REFLECTING SURFACE OF AN OBVIOUS POSITIONED ON SAID SUPPORT SO THAT THE PULSED LIGHT BEAMS WILL BE REFLECTED FROM SAID SURFACE TO IMPINGE ON, AND IN TURN, BE REFLECTED FROM THE REFLECTING PORTION OF THE BEAM SPLITTER; A LIGHT DETECTOR AND ELECTRICAL SIGNAL GENERATING MEANS DISPLACED FROM SAID LIGHT REFLECTING PORTION OF SAID BEAM SPLITTER; AND MEANS FOR FOCUSING THE PULSED LIGHT BEAMS, AS THEY ARE REFLECTED FROM SAID BEAM SPLITTER, TO IMPINGE ON SAID DETECTOR SO THAT THE PULSED LIGHT BEAMS REFLECTED FROM THE SURFACE OF THE OBJECT MAY BE CONVERTED TO ELECTRICAL SIGNALS INDICATIVE OF THE ROUGHNESS THEREOF.
Claim 2
Dependent Claim
160 words
A REFLECTOMETER COMPRISING IN COMBINATION: A POINT SOURCE IMAGE GENERATING MEANS FOR EMITTING CONTINUOUS BEAMS OF LIGHT HAVING WAVELENGTHS WITHIN THE INFRARED REGION OF THE SPECTRUM; AN OBJECT SUPPORT; MEANS FOR CONVERTING SAID CONTINUOUS LIGHT BEAMS TO PLUSED BEAMS; MEANS, INCLUDING A BEAM SPLITTER HAVING A LIGHT REFLECTING PORTION FOR DIRECTING SAID PULSED BEAMS TO IMPINGE UPON A GIVEN LIGHT REFLECTING SURFACE OF AN OBVIOUS POSITIONED ON SAID SUPPORT SO THAT THE PULSED LIGHT BEAMS WILL BE REFLECTED FROM SAID SURFACE TO IMPINGE ON, AND IN TURN, BE REFLECTED FROM THE REFLECTING PORTION OF THE BEAM SPLITTER; A LIGHT DETECTOR AND ELECTRICAL SIGNAL GENERATING MEANS DISPLACED FROM SAID LIGHT REFLECTING PORTION OF SAID BEAM SPLITTER; AND MEANS FOR FOCUSING THE PULSED LIGHT BEAMS, AS THEY ARE REFLECTED FROM SAID BEAM SPLITTER, TO IMPINGE ON SAID DETECTOR SO THAT THE PULSED LIGHT BEAMS REFLECTED FROM THE SURFACE OF THE OBJECT MAY BE CONVERTED TO ELECTRICAL SIGNALS INDICATIVE OF THE ROUGHNESS THEREOF.
References Cited (Backward Citations)
US2803161A
Cited
US2938424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |