US2369740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strainer
Assignee: AUTOMATIC PRODUCTS CO
•
Filing: 1943-08-06
•
Granted: 1945-02-20
•
Expires: 1963-08-06
Abstract
No abstract record available.
Inventors
- 👤 Roy W Johnson
- 👤 Lourdes V Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:47
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/18
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) | 1948-02-20 | 1948-08-21 | 1949-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-20 | 1952-08-21 | 1953-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-20 | 1956-08-21 | 1957-02-20 | $7700.00 | Window Closed / Lapsed |