Patent US3306158A successfully refreshed from Google Patents.
US3306158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grating spectroscopes
Assignee: Shimadzu Corp
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Filing: 1963-05-28
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Granted: 1967-02-28
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Expires: 1983-05-28
Abstract
No abstract record available.
Inventors
- 👤 Makabe Hideki
- 👤 Hashizume Shojiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/12; G01J3/18; G01J3/02; G01J3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A GRATING SPECTROSCOPE COMPRISING A TURNTABLE ROTATABLE ABOUT A CENTRAL AXIS, AT LEAST TWO DIFFRACTION GRATINGS ARRANGED ON SAID TABLE AT ITS PERIPHERAL PORTION IN A SPACED RELATIONSHIP SO THAT WHEN SAID TURNTABLE IS ROTATED SAID DIFFRACTION GRATINGS PASS THROUGH THE OPTICAL PATH OF THE SPECTROSCOPE, SAID DIFFRACTION GRATINGS BEING ROTATABLE ABOUT THEIR OWN AXES, A CAM SHAFT ROTATABLY CARRIED ON SAID CENTRAL AXIS OF SAID TURNTABLE, ACTUATING CAMS FOR REVOLVING THE RESPECTIVE DIFFRICTION GRATINGS, SAID CAMS BEING MOUNTED ON SAID CAM SHAFT, AND SUBSTANTIALLY RADIALLY EXTENDING CAM FOLLOWERS EACH ENGAGING AT ONE END WITH A RESPECTIVE ONE OF SAID CAMS AND COUPLED AT THEIR OTHER END TO ROTATABLY POSITION A RESPECTIVE ONE OF SAID DIFFRACTION GRATINGS.
Claim 2
Dependent Claim
117 words
A GRATING SPECTROSCOPE COMPRISING A TURNTABLE ROTATABLE ABOUT A CENTRAL AXIS, AT LEAST TWO DIFFRACTION GRATINGS ARRANGED ON SAID TABLE AT ITS PERIPHERAL PORTION IN A SPACED RELATIONSHIP SO THAT WHEN SAID TURNTABLE IS ROTATED SAID DIFFRACTION GRATINGS PASS THROUGH THE OPTICAL PATH OF THE SPECTROSCOPE, SAID DIFFRACTION GRATINGS BEING ROTATABLE ABOUT THEIR OWN AXES, A CAM SHAFT ROTATABLY CARRIED ON SAID CENTRAL AXIS OF SAID TURNTABLE, ACTUATING CAMS FOR REVOLVING THE RESPECTIVE DIFFRICTION GRATINGS, SAID CAMS BEING MOUNTED ON SAID CAM SHAFT, AND SUBSTANTIALLY RADIALLY EXTENDING CAM FOLLOWERS EACH ENGAGING AT ONE END WITH A RESPECTIVE ONE OF SAID CAMS AND COUPLED AT THEIR OTHER END TO ROTATABLY POSITION A RESPECTIVE ONE OF SAID DIFFRACTION GRATINGS.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |