US4285568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microscope stage
Assignee: Individual
•
Filing: 1979-08-13
•
Granted: 1981-08-25
•
Expires: 1999-08-13
Abstract
Abstract A stage for a microscope comprises a base having an aperture therein for supporting an article to be viewed. A vacuum device extends through the body for holding the article on the aperture. An illumination device extends through the body for illuminating the aperture.
Inventors
- 👤 Alan Elgart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:55
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24; G02B21/26
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
45 words
A stage for a microscope comprising: body means having an aperture therein for supporting an article to be viewed, vacuum means extending through said body means for holding the article on said aperture and, illumination means extending through said body means for illuminating said aperture.
Claim 2
Dependent Claim
45 words
A stage for a microscope comprising: body means having an aperture therein for supporting an article to be viewed, vacuum means extending through said body means for holding the article on said aperture and, illumination means extending through said body means for illuminating said aperture.
Claim 3
Dependent Claim
22 words
The stage as defined in claim 1, further characterized in that said vacuum means includes a vacuum tube connected to said aperture.
Claim 4
Dependent Claim
24 words
The state as defined in claim 2, further characterized in that said illumination means includes a fiberoptic light tube extending through said vacuum tube.
Claim 5
Dependent Claim
29 words
The stage as defined in claim 3, further characterized in that said illumination means includes mounting means for centering said light tube so that light passes through said aperture.
Claim 6
Dependent Claim
29 words
The state as defined in claim 4, further characterized in that said illumination means includes optical filter means to change the color of light passing through said light tube.
Claim 7
Dependent Claim
30 words
The stage as defined in claim 5 further characterized in that said illumination means includes an iris diaphragm for changing the brightness of the light passing through said light tube.
Claim 8
Dependent Claim
28 words
The stage as defined in claim 3, further characterized in that said base means includes a rotatable tip means having the aperture extending therethrough for rotating said aperture.
Claim 9
Dependent Claim
32 words
The stage as defined in claim 7, further characterized in that insert means having an aperture therethrough are adapted to fit in the aperture of said tip means for accomodating different articles.
Claim 10
Dependent Claim
51 words
The stage as defined in claim 1, further characterized in that said base means includes a stationary bottom section having a concave top surface, a movable top section having a convex bottom surface adapted to slide in said concave top surface whereby said aperture moves through an arc of approximately 180°.
Claim 11
Dependent Claim
28 words
The stage as defined in claim 9, further characterized in that said stationary bottom section has a slot therein for accomodating said vacuum means and said illumination means.
Claim 12
Dependent Claim
51 words
A stage for a microscope comprising: base means for supporting an article to be viewed, said base means including a stationary bottom section with a concave top surface, and movable top section with a convex bottom surface adapted to slide in said concave top surface through an arc of approximately 180°.
Claim 13
Dependent Claim
51 words
A stage for a microscope comprising: base means for supporting an article to be viewed, said base means including a stationary bottom section with a concave top surface, and movable top section with a convex bottom surface adapted to slide in said concave top surface through an arc of approximately 180°.
Claim 14
Dependent Claim
25 words
The stage as defined in claim 11, further comprising vacuum means associated with said bottom section for holding an article on said movable top section.
Claim 15
Dependent Claim
35 words
The stage as defined in claim 12, further comprising a rotating tip means connected to said movable top section for rotating said article through an arc of 360° with respect to said stationary bottom section.
Claim 16
Dependent Claim
19 words
The stage as defined in claim 13, further comprising angular measurement means for measuring said rotation of said article.
References Cited (Backward Citations)
FR1030286A
Cited
GB1117282A
Cited
US3549232A
Cited
US3669524A
Cited
US3743825A
Cited
US3826558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-24 | 1985-02-23 | 1985-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-24 | 1989-02-23 | 1989-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-24 | 1993-02-23 | 1993-08-25 | $7700.00 | Window Closed / Lapsed |