Patent US2949865A successfully refreshed from Google Patents.
US2949865A
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US
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Systems of freight transportation
Assignee: General American Transportation Corp
•
Filing: 1958-07-10
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Granted: 1960-08-23
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Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Grandpre Etienne De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:26
CPC Classifications
F; F04; F04C; F04C18/00; F04C18/22; B; B60; B60F; B60F1/00; B60P; B60P3/00; B60P3/06; B60P3/07; B60P3/073; B60P7/00; B60P7/06; B60P7/13; B61; B61D; B61D3/00; B61D3/16; B61D3/18; B61D3/187; B61D3/188; B61D45/00; B61D45/008; F04D; F04D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1835133A
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US1994815A
Cited
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Cited
US2750674A
Cited
US2839012A
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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) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |