US3471019A
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Assignee: EMD Millipore Corp
•
Filing: 1968-03-05
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Granted: 1969-10-07
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Expires: 1988-03-05
Abstract
No abstract record available.
Inventors
- 👤 Ben Trasen
- 👤 John E Weyand
- 👤 Donald B Rising
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:58
CPC Classifications
B; B01; B01D; B01D63/00; B01D63/08; B01D63/087; A; A61; A61M; A61M5/00; A61M5/14; A61M5/165; B01D29/00; B01D29/01; B01D29/012; B01D29/05; B01D63/081; A61M2005/1657; B29; B29C; B29C65/00; B29C65/02; B29C65/08; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/131; B29C66/1312; B29C66/303; B29C66/3034; B29C66/30341; B29C66/50; B29C66/51; B29C66/54; B29C66/541; B29C66/5412; B29L; B29L2031/00; B29L2031/14
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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |