US2885082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: FAS FLO FILTER CORP
•
Filing: 1954-08-31
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Granted: 1959-05-05
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Expires: 1974-08-31
Abstract
No abstract record available.
Inventors
- 👤 John W Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:10
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/18; B01D25/00; B01D25/22; B01D25/26; B01D25/32; B01D25/38; B01D25/386; B01D35/14; B01D37/00; B01D37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1412557A
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US2255205A
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US2609101A
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US2651418A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |