US3490207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust collector
Assignee: W W SLY Manufacturing Co
•
Filing: 1966-07-14
•
Granted: 1970-01-20
•
Expires: 1986-07-14
Abstract
No abstract record available.
Inventors
- 👤 Carl R Sare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/0002; B01D46/0005; B01D46/56; B01D46/58; B01D46/66; B01D46/70; B01D46/71; B01D46/90; B01D2265/00; B01D2265/06; B01D2271/00; B01D2271/02; B01D2271/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732912A
Cited
US954541A
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US861566A
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US1022157A
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US1659496A
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US1830097A
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US1868876A
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US2154719A
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US2407722A
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US2541694A
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GB622370A
Cited
US2641789A
Cited
US2610351A
Cited
US2695681A
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US2722997A
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US2765048A
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US2867289A
Cited
US2906371A
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US2938598A
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US3002209A
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US3097939A
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US3176449A
Cited
US3251175A
Cited
US3116510A
Cited
US3239061A
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US3235064A
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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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |