Patent US2646006A successfully refreshed from Google Patents.
US2646006A
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US
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Discharge outlet and closure assembly
Assignee: Enterprise Railway Equipment Co
•
Filing: 1948-12-24
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Granted: 1953-07-21
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Expires: 1968-12-24
Abstract
No abstract record available.
Inventors
- 👤 George B Dorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:57
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1681134A
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US2072292A
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US2145174A
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US2099289A
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US2069739A
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US2142236A
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US2222280A
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US2340519A
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US2329791A
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US2386702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |