US2022016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for straining liquids or gases
Assignee: LOLOS STRAINERS Ltd
•
Filing: 1932-07-09
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Granted: 1935-11-26
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Expires: 1952-07-09
Abstract
No abstract record available.
Inventors
- 👤 Wardle John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:38
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/44; B01D29/46; B01D25/00; B01D25/32; B01D25/34; B01D29/48; B01D29/62; B01D29/64; B01D29/6469; B01D29/6476; B01D35/00; B01D35/12; B01D2201/00; B01D2201/08; B01D2201/089
Claims Analysis
Total Claims: 0
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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) | 1938-11-25 | 1939-05-27 | 1939-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-25 | 1943-05-27 | 1943-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-25 | 1947-05-27 | 1947-11-26 | $7700.00 | Window Closed / Lapsed |