US2583768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable discharge apparatus for slurry and muddy materials
Assignee: RHEO FRANCE CIE INTERNATIONALE
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Filing: 1946-06-26
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Granted: 1952-01-29
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Expires: 1966-06-26
Abstract
No abstract record available.
Inventors
- 👤 Detienne Adolphe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:06
CPC Classifications
B; B03; B03B; B03B11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US74125A
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US120702A
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US133288A
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US635113A
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US1880022A
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US2055819A
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US2328716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |