US2612860A
Expired / Lapsed
US
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Fluid processing apparatus
Assignee: Individual
•
Filing: 1949-07-13
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Granted: 1952-10-07
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Expires: 1969-07-13
Abstract
No abstract record available.
Inventors
- 👤 Pyam L Pendleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:51
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/52; B; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D06B; D06B13/00; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00054; B01J2219/00056; B01J2219/00067; B01J2219/00164
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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |