US2352269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strainer and filter
Assignee: Individual
•
Filing: 1942-01-21
•
Granted: 1944-06-27
•
Expires: 1962-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick Kraissl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:24
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/05; B60G21/055; B01; B01D; B01D35/00; B01D35/005; B01D46/00; B01D46/0002; B01D46/0005; B01D46/0027; B01D46/003; B01D46/0031; B01D46/24; B60G11/00; B60G11/18; G; G01; G01G; G01G23/00; B60G2202/00; B60G2202/10; B60G2202/13; B60G2202/135; B60G2202/1351
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-06-27 | 1947-12-27 | 1948-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-27 | 1951-12-27 | 1952-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-27 | 1955-12-27 | 1956-06-27 | $7700.00 | Window Closed / Lapsed |