Patent US2765922A successfully refreshed from Google Patents.
US2765922A
Expired / Lapsed
US
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Strainer
Assignee: Brighton Corp
•
Filing: 1948-12-27
•
Granted: 1956-10-09
•
Expires: 1968-12-27
Abstract
No abstract record available.
Inventors
- 👤 Hock Alvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:18
CPC Classifications
C; C12; C12C; C12C7/00; C12C7/14; C12C7/16; C12C7/163; B; B01; B01D; B01D21/00; C12C7/24; C12C2200/00; C12C2200/31
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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |