US3211049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultraviolet monochromator
Assignee: MCPHERSON INSTRUMENT CORP
•
Filing: 1962-09-17
•
Granted: 1965-10-12
•
Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Paul M Mcpherson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:40
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/12; G01J3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A GRAZING INCIDENCE MONOCHROMATOR COMPRISING: AN EVACUABLE HOUSING; A GRATING FIXED RELATIVE TO SAID HOUSING, SAID GRATING DEFINING A ROWLAND CIRCLE; STATIONARY APERTURE DEFINING MEANS DISPOSED ON SAID ROWLAND CIRCLE, THE APERTURE AND THE CENTER OF SAID GRATING DEFINING AN OPTICAL AXIS WHICH APPROACHES SAID GRATING AT GRAZING INCIDENCE; MEANS FOR PROVIDING AN EVACUABLE LIGHT PATH BETWEEN SAID STATIONARY APERTURE DEFINING MEANS AND SAID HOUSING; SECOND APERTUR%E DEFINING MEANS MOVABLE ALONG SAID ROWLAND CIRCLE AND PIVOTAL ABOUT AN AXIS WHICH PASSES THROUGH SAID ROWLAND CIRCLE AND IS PARALLEL TO THE AXIS OF SAID CIRCLE; SLIDING STRAIGHTEDGE MEANS EXTENDING BETWEEN SAID MOVABLE APERTURE DEFINING MEANS AND SAID GRATING FOR MAINTAINING THE MOVABLE APERTURE PROPERLY ORIENTED WITH RESPECT TO SAID GRATING; AND A PLURALITY OF CONCENTRICALLY INTERFITTING TUBE MEANS EXTENDING BETWEEN SAID MOVABLE APERTURE DEFINING MEANS AND SAID HOUSING FOR PROVIDING AN EVACUABLE LIGHT PATH BETWEEN SAID MOVABLE APERTURE AND SAID GRATING.
Claim 2
Dependent Claim
150 words
A GRAZING INCIDENCE MONOCHROMATOR COMPRISING: AN EVACUABLE HOUSING; A GRATING FIXED RELATIVE TO SAID HOUSING, SAID GRATING DEFINING A ROWLAND CIRCLE; STATIONARY APERTURE DEFINING MEANS DISPOSED ON SAID ROWLAND CIRCLE, THE APERTURE AND THE CENTER OF SAID GRATING DEFINING AN OPTICAL AXIS WHICH APPROACHES SAID GRATING AT GRAZING INCIDENCE; MEANS FOR PROVIDING AN EVACUABLE LIGHT PATH BETWEEN SAID STATIONARY APERTURE DEFINING MEANS AND SAID HOUSING; SECOND APERTUR%E DEFINING MEANS MOVABLE ALONG SAID ROWLAND CIRCLE AND PIVOTAL ABOUT AN AXIS WHICH PASSES THROUGH SAID ROWLAND CIRCLE AND IS PARALLEL TO THE AXIS OF SAID CIRCLE; SLIDING STRAIGHTEDGE MEANS EXTENDING BETWEEN SAID MOVABLE APERTURE DEFINING MEANS AND SAID GRATING FOR MAINTAINING THE MOVABLE APERTURE PROPERLY ORIENTED WITH RESPECT TO SAID GRATING; AND A PLURALITY OF CONCENTRICALLY INTERFITTING TUBE MEANS EXTENDING BETWEEN SAID MOVABLE APERTURE DEFINING MEANS AND SAID HOUSING FOR PROVIDING AN EVACUABLE LIGHT PATH BETWEEN SAID MOVABLE APERTURE AND SAID GRATING.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |