Patent US2772002A successfully refreshed from Google Patents.
US2772002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforated plate-type strainer
Assignee: Individual
•
Filing: 1953-09-14
•
Granted: 1956-11-27
•
Expires: 1973-09-14
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Mauro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:14
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; B01D24/00; B01D24/02; B01D24/04; B01D29/00; B01D29/01; B01D29/50; B01D29/56; B01D29/58
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US87385A
Cited
CA470148A
Cited
GB324924A
Cited
US2066793A
Cited
US2127397A
Cited
US2520124A
Cited
US2504683A
Cited
US2605901A
Cited
US2630227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |