US2628719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal apparatus discharger
Assignee: Western States Machine Co
•
Filing: 1946-11-29
•
Granted: 1953-02-17
•
Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Hertrich Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:36
CPC Classifications
B; B04; B04B; B04B11/00; B04B11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1205128A
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US1202936A
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US1385982A
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US1377141A
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US1326411A
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US1388173A
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US1609754A
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US1957472A
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US2076516A
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US2249210A
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US2328211A
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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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |