US3143977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bogies for monorail vehicles
Assignee: Alweg Forschung GmbH
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Filing: 1961-03-15
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Granted: 1964-08-11
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Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Deller Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:05
CPC Classifications
B; B61; B61B; B61B13/00; B61B13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN COMBINATION A MONOBEAM STRADDLING BOGIE, A MONORAIL VEHICLE BODY, SPRING SUSPENSION MEANS OPERATIVELY INTERPOSED BETWEEN SAID BOGIE AND SAID BODY AND ACTING VERTICALLY FOR RESILIENTLY SUPPORTING SAID BODY ON SAID BOGIE, ADDITIONAL SUSPENSION MEANS INDEPENDENT OF
Claim 2
Dependent Claim
37 words
IN COMBINATION A MONOBEAM STRADDLING BOGIE, A MONORAIL VEHICLE BODY, SPRING SUSPENSION MEANS OPERATIVELY INTERPOSED BETWEEN SAID BOGIE AND SAID BODY AND ACTING VERTICALLY FOR RESILIENTLY SUPPORTING SAID BODY ON SAID BOGIE, ADDITIONAL SUSPENSION MEANS INDEPENDENT OF
References Cited (Backward Citations)
US2987013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |