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US2819686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water tanks, fuel bunkers, or the like of locomotives
Assignee: Beyer Peacock & Co Ltd
•
Filing: 1952-07-14
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Granted: 1958-01-14
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Expires: 1972-07-14
Abstract
No abstract record available.
Inventors
- 👤 Hadfield James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:57
CPC Classifications
B; B61; B61C; B61C17/00; B61C17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US751040A
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US1097961A
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FR423962A
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US1079248A
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US1252959A
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US1663036A
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US1829962A
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US1883306A
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US2100371A
Cited
US2606039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |