Patent US3262570A successfully refreshed from Google Patents.
US3262570A
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Filtration assemblies and replaceable elements of such assemblies
Assignee: COMMERCIAL FILTER CORP
•
Filing: 1963-02-05
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Granted: 1966-07-26
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Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Adolph R Gailitis
- 👤 Jiulio C Borsetti
- 👤 Rosenbaum Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:28
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/50; B01D29/56; B01D29/58; B01D29/11; B01D29/13; B01D29/15; B01D2201/00; B01D2201/29; B01D2201/291; B01D2201/40; B01D2201/4046; C; C02; C02F; C02F2201/00; C02F2201/002; C02F2201/006
Claims Analysis
Total Claims: 0
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |