US2633206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for actuating dust collectors
Assignee: NORTHERN BLOWER Co
•
Filing: 1950-10-12
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Granted: 1953-03-31
•
Expires: 1970-10-12
Abstract
No abstract record available.
Inventors
- 👤 Bruckner Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:33
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/56; B01D46/58; B01D46/02; B01D46/04; B01D46/42; B01D46/44; B01D46/46; B01D46/66; B01D46/70; B01D46/74; B01D46/76; Y; Y10; Y10S; Y10S55/00; Y10S55/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US692779A
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US1715273A
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GB368731A
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US1974952A
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US2014298A
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US2047908A
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US2057578A
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US2318395A
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US2449953A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |