US3265014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monorail vehicles
Assignee: Cowlishaw Walker and Co Ltd
•
Filing: 1965-06-10
•
Granted: 1966-08-09
•
Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Norman L C Parfitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:34
CPC Classifications
B; B61; B61C; B61C13/00; B61C13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROPULSION SUSPENSION UNIT FOR A VEHICLE ARRANGED FOR MOVEMENT ALONG A MONORAIL, COMPRISING SUSPENSION ROLLERS FOR SUPPORTING THE VEHICLE ON THE MONORAIL AND DRIVING ROLLERS SET IN OPPOSITION ABOUT THE RAIL AND MOUNTED TO BOTH ROLL ALONG AND GRIP BETWEEN THEM A CENTRAL VERTICAL WEB OF THE RAIL, SAID DRIVING ROLLERS BEING MOUNTED AT THE SAME LEVEL AS THE SUSPENDED ROLLERS AND THE LATTER BEING ARRANGED TO ROLL ALONG FLANGES EXTENDING EACH SIDE OF AND AT THE LOWER EXTREMITY OF THE SAID VERTI-
Claim 2
Dependent Claim
84 words
A PROPULSION SUSPENSION UNIT FOR A VEHICLE ARRANGED FOR MOVEMENT ALONG A MONORAIL, COMPRISING SUSPENSION ROLLERS FOR SUPPORTING THE VEHICLE ON THE MONORAIL AND DRIVING ROLLERS SET IN OPPOSITION ABOUT THE RAIL AND MOUNTED TO BOTH ROLL ALONG AND GRIP BETWEEN THEM A CENTRAL VERTICAL WEB OF THE RAIL, SAID DRIVING ROLLERS BEING MOUNTED AT THE SAME LEVEL AS THE SUSPENDED ROLLERS AND THE LATTER BEING ARRANGED TO ROLL ALONG FLANGES EXTENDING EACH SIDE OF AND AT THE LOWER EXTREMITY OF THE SAID VERTI-
References Cited (Backward Citations)
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US2722897A
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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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |