US1735694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-filtering device
Assignee: REMINGTON Manufacturing Co
•
Filing: 1925-01-06
•
Granted: 1929-11-12
•
Expires: 1945-01-06
Abstract
No abstract record available.
Inventors
- 👤 Remington Joseph Percy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:49
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02; F02M35/022; Y; Y10; Y10S; Y10S55/00; Y10S55/28
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) | 1932-11-11 | 1933-05-13 | 1933-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-11-11 | 1937-05-13 | 1937-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-11-11 | 1941-05-13 | 1941-11-12 | $7700.00 | Window Closed / Lapsed |