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US3223240A
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Assignee: Rellumit Inter Sarl
•
Filing: 1961-12-19
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Granted: 1965-12-14
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Expires: 1981-12-19
Abstract
No abstract record available.
Inventors
- 👤 Muller Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:18
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D17/04; B01D17/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1075978A
Cited
US2103434A
Cited
US2555607A
Cited
US2651414A
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US2725986A
Cited
US2864505A
Cited
US3034656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |