Patent US3483677A successfully refreshed from Google Patents.
US3483677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cleaning device
Assignee: JSJ MANUFACTURING CORP A CORP OF NEW YORK
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Filing: 1967-02-06
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Granted: 1969-12-16
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Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Herbert Pinto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:01
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; Y; Y10; Y10S; Y10S55/00; Y10S55/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1376691A
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US1532657A
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US2071811A
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US2383065A
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US2593132A
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DE869938C
Cited
US2798718A
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US2768707A
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US2922488A
Cited
US3010537A
Cited
US3246454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |