Patent US2695196A successfully refreshed from Google Patents.
US2695196A
Expired / Lapsed
US
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Hopper for storage and transportation of finely divided materials
Assignee: General American Transportation Corp
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Filing: 1948-09-15
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Granted: 1954-11-23
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Expires: 1968-09-15
Abstract
No abstract record available.
Inventors
- 👤 Talmey Paul
- 👤 Louis S Matolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:55
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/04; B65G53/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1896597A
Cited
US1810770A
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US2108416A
Cited
US2072292A
Cited
US2325432A
Cited
US2418302A
Cited
US2440379A
Cited
US2629637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |