US3327408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demonstration device constructed in the manner of an optical bench
Assignee: Leybold Holding AG
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Filing: 1964-06-08
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Granted: 1967-06-27
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Lindberg Albert
- 👤 Verfuss Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:16
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/22; G01; G01M; G01M11/00; G01M11/02; G01M11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A DEVICE FOR USE IN DEMONSTRATING OPTICAL AND MECHANICAL EXPERIMENTS AND INCLUDING AN OPTICAL BENCH HAVING A GUIDE RAIL, THE IMPROVEMENT WHEREIN SAID GUIDE RAIL IS IN THE FORM OF A PROFILE ROD THE CROSS SECTION OF WHICH IS A DOUBLE TRAPEZOID OPEN ON ONE SIDE, SAID DOUBLE TRAPEZOID BEING SYMMETRICAL AND THE EDGES THEREOF BORDERING ON SAID OPEN SIDE BEING FOLDED BACK FOR REINFORCEMENT, THE SIDES OF SAID PROFILE ROD INCLUDING TWO PARALLEL EXTERIOR EDGES, AND FURTHER INCLUDING A RESILIENT GUIDE SECTION MOUNTED FOR MOVEMENT ALONG SAID EDGES, AND MEANS FOR MOUNTING AN OPTICAL ELEMENT ON SAID GUIDE SECTION IN A PLANE PERPENDICULAR TO THE AXIS OF THE PROFILE ROD.
Claim 2
Dependent Claim
112 words
IN A DEVICE FOR USE IN DEMONSTRATING OPTICAL AND MECHANICAL EXPERIMENTS AND INCLUDING AN OPTICAL BENCH HAVING A GUIDE RAIL, THE IMPROVEMENT WHEREIN SAID GUIDE RAIL IS IN THE FORM OF A PROFILE ROD THE CROSS SECTION OF WHICH IS A DOUBLE TRAPEZOID OPEN ON ONE SIDE, SAID DOUBLE TRAPEZOID BEING SYMMETRICAL AND THE EDGES THEREOF BORDERING ON SAID OPEN SIDE BEING FOLDED BACK FOR REINFORCEMENT, THE SIDES OF SAID PROFILE ROD INCLUDING TWO PARALLEL EXTERIOR EDGES, AND FURTHER INCLUDING A RESILIENT GUIDE SECTION MOUNTED FOR MOVEMENT ALONG SAID EDGES, AND MEANS FOR MOUNTING AN OPTICAL ELEMENT ON SAID GUIDE SECTION IN A PLANE PERPENDICULAR TO THE AXIS OF THE PROFILE ROD.
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |