US2902158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1957-10-07
•
Granted: 1959-09-01
•
Expires: 1977-10-07
Abstract
No abstract record available.
Inventors
- 👤 Muller Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:47
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/24; B01D46/2403; B01D46/2407; B01D29/00; B01D29/11; B01D29/114; B01D29/44; B01D29/46; B01D29/50; B01D29/52; B01D29/62; B01D29/66; B01D29/665; B01D29/76; B01D29/80; B01D29/84; B01D29/846; B01D35/00; B01D35/18; B01D35/26; B01D46/42; B01D46/4272; B01D46/44; B01D46/448; B01D46/66; B01D46/70; B01D46/71; B01D46/90; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0446; B01D2273/00; B01D2273/30
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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |