Patent US3256766A successfully refreshed from Google Patents.
US3256766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaxial telescope for use in a rangefinder
Assignee: Linde Sverige AB
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Filing: 1961-10-27
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Granted: 1966-06-21
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Expires: 1981-10-27
Abstract
No abstract record available.
Inventors
- 👤 Allesson Arne Stellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/48; G01S7/481; G01S7/4811; G01S7/4813
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A RANGEFINDER, A FIRST OPTICAL SYSTEM HAVING AN AXIS, A SECOND OPTICAL SYSTEM HAVING A COMMON AXIS WITH SAID FIRST OPTICAL SYSTEM, SAID FIRST AND SECOND OPTICAL SYSTEMS BEING WITHIN A UNIT, MEANS MOUNTING SAID UNIT FOR ROTATIONAL MOVEMENT ON AN AXIS TRANSVESE OF SAID COMMON AXIS, A LIGHT SOURCE SPACED LATERALLY OF SAID COMMON AXIS AND DIRECTING LIGHT COAXIALLY ALONG SAID TRANSVERSE AXIS, SAID FIRST OPTICAL SYSTEM INCLUDING MEANS FOR RECEIVING LIGHT FROM SAID LIGHT SOURCE AND FOR TRANSMITTING LIGHT IN A FIRST DIRECTION TOWARD A REMOTE REFLECTOR ALONG SAID COMMON AXIS, SAID SECOND OPTICAL SYSTEM INCLUDING MEANS FOR RECEIVING LIGHT TRAVELING IN A SECOND DIRECTION FROM A REMOTE REFLECTOR OF THE TRANSMITTED LIGHT AND FOR DIRECTING RECEIVED LIGHT COAXIALLY ALONG SAID TRANSVERSE AXIS AND MEANS SPACED LATERALLY OF THE SAID COMMON AXIS AND OF SAID OPTICAL SYSTEM FOR RECEIVING SAID TRANSVERSELY DIRECTED LIGHT.
Claim 2
Dependent Claim
146 words
IN A RANGEFINDER, A FIRST OPTICAL SYSTEM HAVING AN AXIS, A SECOND OPTICAL SYSTEM HAVING A COMMON AXIS WITH SAID FIRST OPTICAL SYSTEM, SAID FIRST AND SECOND OPTICAL SYSTEMS BEING WITHIN A UNIT, MEANS MOUNTING SAID UNIT FOR ROTATIONAL MOVEMENT ON AN AXIS TRANSVESE OF SAID COMMON AXIS, A LIGHT SOURCE SPACED LATERALLY OF SAID COMMON AXIS AND DIRECTING LIGHT COAXIALLY ALONG SAID TRANSVERSE AXIS, SAID FIRST OPTICAL SYSTEM INCLUDING MEANS FOR RECEIVING LIGHT FROM SAID LIGHT SOURCE AND FOR TRANSMITTING LIGHT IN A FIRST DIRECTION TOWARD A REMOTE REFLECTOR ALONG SAID COMMON AXIS, SAID SECOND OPTICAL SYSTEM INCLUDING MEANS FOR RECEIVING LIGHT TRAVELING IN A SECOND DIRECTION FROM A REMOTE REFLECTOR OF THE TRANSMITTED LIGHT AND FOR DIRECTING RECEIVED LIGHT COAXIALLY ALONG SAID TRANSVERSE AXIS AND MEANS SPACED LATERALLY OF THE SAID COMMON AXIS AND OF SAID OPTICAL SYSTEM FOR RECEIVING SAID TRANSVERSELY DIRECTED LIGHT.
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |