Patent US3682859A successfully refreshed from Google Patents.
US2014298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust arrester
Assignee: Individual
•
Filing: 1932-09-01
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Granted: 1935-09-10
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Expires: 1952-09-01
Abstract
No abstract record available.
Inventors
- 👤 Claude B Schneible
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:36
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/56; B01D46/58; B01D46/60; B01D46/0039; B01D46/0041; B01D46/0043; B01D46/02; B01D46/04; B01D46/66; B01D46/74; B01D46/76
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) | 1938-09-09 | 1939-03-11 | 1939-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-09 | 1943-03-11 | 1943-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-09 | 1947-03-11 | 1947-09-10 | $7700.00 | Window Closed / Lapsed |