US3100458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded railway vehicle bodies
Assignee: Rolls Royce Composite Materials Ltd
•
Filing: 1958-12-29
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Granted: 1963-08-13
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Baker William Andrew
- 👤 Thompson Alan William
- 👤 Lane Francis Murray
- 👤 Poslett Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:16
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/043; B61D17/045; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C65/00; B29C65/02; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B61D17/005; B29C66/70; B29C66/71; B29C66/72; B29C66/721; B29C66/7212; B29C66/7214; B29C66/72141; B29C66/727; B29K; B29K2105/00; B29K2105/06; Y; Y02; Y02T; Y02T30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A CHASSISLESS RAILWAY VEHICLE COMPRISING A SHELL, TWO BOGIES NEAR OPPOSITE ENDS OF THE SAID SHELL, AND MEANS FOR APPLYING FORCE TO THE SHELL NEAR EACH END, THE SAID SHELL BEING COMPOSED OF TWO TROUGH-SHAPED MOULDINGS CONSTITUTING THE PARTS OF THE SAID SHELL LYING ON OPPOSITE SIDES OF A LONGITUDINAL PLANE AND JOINED TO ONE ANOTHER ALONG BOTH PAIRS OF ADJACENT LONGITUDINAL EDGES AT THE SAID LONGITUDINAL PLANE, EACH OF THE SAID TWO MOULDINGS
Claim 2
Dependent Claim
74 words
A CHASSISLESS RAILWAY VEHICLE COMPRISING A SHELL, TWO BOGIES NEAR OPPOSITE ENDS OF THE SAID SHELL, AND MEANS FOR APPLYING FORCE TO THE SHELL NEAR EACH END, THE SAID SHELL BEING COMPOSED OF TWO TROUGH-SHAPED MOULDINGS CONSTITUTING THE PARTS OF THE SAID SHELL LYING ON OPPOSITE SIDES OF A LONGITUDINAL PLANE AND JOINED TO ONE ANOTHER ALONG BOTH PAIRS OF ADJACENT LONGITUDINAL EDGES AT THE SAID LONGITUDINAL PLANE, EACH OF THE SAID TWO MOULDINGS
References Cited (Backward Citations)
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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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |