US2888155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for discharging material from a relatively low pressure zone to a relatively high pressure zone
Assignee: Kellanova
•
Filing: 1956-10-10
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Granted: 1959-05-26
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Expires: 1976-10-10
Abstract
No abstract record available.
Inventors
- 👤 Sr Morris M Raymer
- 👤 Ray S Jenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:51
CPC Classifications
A; A23; A23P; A23P30/00; A23P30/30; A23P30/32; B; B29; B29B; B29B7/00; B29B7/02; B29B7/22; B29B7/24; B29B7/248; B29B7/30; B29B7/58; B29B7/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |