Patent US1356086A successfully refreshed from Google Patents.
US1356086A
Expired / Lapsed
US
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Dust-collector
Assignee: Williams Patent Crusher and Pulverizer Co Inc
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Filing: 1919-04-08
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Granted: 1920-10-19
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Expires: 1939-04-08
Abstract
No abstract record available.
Inventors
- 👤 Harold M Plaisted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:49
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/66; B01D46/70; B01D46/42; B01D46/4272; 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) | 1923-10-19 | 1924-04-19 | 1924-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-10-19 | 1928-04-19 | 1928-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-10-19 | 1932-04-19 | 1932-10-19 | $7700.00 | Window Closed / Lapsed |