Patent US2422671A successfully refreshed from Google Patents.
Patent US3093090A successfully refreshed from Google Patents.
US3093090A
Expired / Lapsed
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Switches for monobeam type railways
Assignee: Alweg Forschung GmbH
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Filing: 1958-07-29
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Granted: 1963-06-11
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Expires: 1978-07-29
Abstract
No abstract record available.
Inventors
- 👤 Rosenbaum Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:14
CPC Classifications
E; E01; E01B; E01B25/00; E01B25/08; E01B25/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
FOR USE IN A MONOBEAM TRANSPORTATION SYSTEM HAVING A VEHICLE SUPPORTING BEAM WITH TOP AND LATERAL RUNNING SURFACES: A SWITCH ADAPTED TO SELECTIVELY CONNECT ANGULARLY RELATED TRACK SECTIONS COMPRISING, A PLURALITY OF SWITCH BEAM SECTIONS PIVOTALLY CONNECTED TO EACH OTHER AT ADJACENT ENDS, THE BODY OF ONE OF SAID SWITCH BEAM SECTIONS BEING ELASTICALLY DEFORMABLE AND THE REMAINDER OF SAID SWITCH BEAM SECTIONS BEING RIGID, AND ABUTMENT MEANS INTERMEDIATE THE ENDS OF SAID ELASTICALLY DEFORMABLE SWITCH BEAM SECTION FOR BENDING SAID ELASTICALLY DEFORMABLE SWITCH BEAM SECTION SMOOTHLY ALONG ITS LONGITUDINAL AXIS.
Claim 2
Dependent Claim
91 words
FOR USE IN A MONOBEAM TRANSPORTATION SYSTEM HAVING A VEHICLE SUPPORTING BEAM WITH TOP AND LATERAL RUNNING SURFACES: A SWITCH ADAPTED TO SELECTIVELY CONNECT ANGULARLY RELATED TRACK SECTIONS COMPRISING, A PLURALITY OF SWITCH BEAM SECTIONS PIVOTALLY CONNECTED TO EACH OTHER AT ADJACENT ENDS, THE BODY OF ONE OF SAID SWITCH BEAM SECTIONS BEING ELASTICALLY DEFORMABLE AND THE REMAINDER OF SAID SWITCH BEAM SECTIONS BEING RIGID, AND ABUTMENT MEANS INTERMEDIATE THE ENDS OF SAID ELASTICALLY DEFORMABLE SWITCH BEAM SECTION FOR BENDING SAID ELASTICALLY DEFORMABLE SWITCH BEAM SECTION SMOOTHLY ALONG ITS LONGITUDINAL AXIS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |