Patent US3142718A successfully refreshed from Google Patents.
US3142718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical equipment for the accurate setting and reading of the amount of displacement of a slide
Assignee: Carl Zeiss Sports Optics GmbH
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Filing: 1960-09-30
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Granted: 1964-07-28
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Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Rantsch Kurt
- 👤 Weyrauch Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:45
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/22; B23Q23/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
A DEVICE FOR ACCURATELY DETERMINING THE POSITION OF A SLIDE CARRIAGE SLIDING ON A STATIONARY BED COMPRISING: A SCALE CONNECTED TO ONE OF SAID CARRIAGE AND SAID BED AND BEING INDICATIVE OF THE AMOUNT OF SLIDING; A READING UNIT CONNECTED TO THE OTHER ONE OF SAID CARRIAGE AND SAID BED, SAID UNIT INCLUDING A GRATICULE AND OPTICAL MEANS FOR PROJECTING A SECTION OF SAID SCALE ONTO SAID GRATICULE, SAID OPTICAL MEANS INCLUDING A MEMBER DISPOSED IN THE LIGHT PATH OF PROJECTION AND BEING TILTABLE IN TWO DIRECTIONS DEFINING A PLANE SO THAT THE PROJECTION OF SAID SECTION IS SHIFTABLE ALONG SAID GRATICULE; OPTICAL ILLUMINATION MEANS FOR PROJECTING A LIGHT BEAM ALONG SAID DIRECTION OF SLIDING; INSTRUMENT MEANS FOR DETERMINING DEFLECTIONS OF SAID BEAM RELATIVE TO SAID INSTRUMENT PERPENDICULAR TO SAID DIRECTION OF SLIDING, ONE OF SAID INSTRU-
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |