US1612450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strainer mechanism
Assignee: Individual
•
Filing: 1923-06-25
•
Granted: 1926-12-28
•
Expires: 1943-06-25
Abstract
No abstract record available.
Inventors
- 👤 Herman F Leichtfuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:35
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/01; B01D29/05; B01D24/00; B01D24/02; B01D24/20; B01D24/22; B01D2201/00; B01D2201/02; B01D29/085
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) | 1929-12-27 | 1930-06-28 | 1930-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-27 | 1934-06-28 | 1934-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-27 | 1938-06-28 | 1938-12-28 | $7700.00 | Window Closed / Lapsed |