US2383364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaner
Assignee: International Motors LLC
•
Filing: 1942-10-26
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Granted: 1945-08-21
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Expires: 1962-10-26
Abstract
No abstract record available.
Inventors
- 👤 William O Bechman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:54
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0002; B01D46/0005; B01D46/10; B01D46/106; B01D46/56; B01D46/62; B01D46/64; B01D2275/00; B01D2275/20; B01D2275/203
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) | 1948-08-20 | 1949-02-19 | 1949-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-20 | 1953-02-19 | 1953-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-20 | 1957-02-19 | 1957-08-21 | $7700.00 | Window Closed / Lapsed |