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US2776566A
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Apparatus for measuring the flow rates of particulate solids
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-06-24
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Granted: 1957-01-08
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Expires: 1974-06-24
Abstract
No abstract record available.
Inventors
- 👤 Bernard L Schulman
- 👤 Walter G May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:46
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1809; B01J8/24; B01J8/26; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/0007; B01J2208/00088; B01J2208/00106; B01J2208/00265; B01J2208/00292; B01J2208/00504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1677691A
Cited
US2439723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |