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US3374896A
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Assignee: Xylem Water Solutions Zelienople LLC
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Filing: 1966-10-31
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Granted: 1968-03-26
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Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Charles E Palmer
- 👤 Robert H Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:01
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/007; B01D24/02; B01D24/20; B01D24/22; B01D24/46; B01D24/4605; B01D24/4621; B01D24/4631
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |