US3019940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter device and dispensing unit therefor
Assignee: Individual
•
Filing: 1958-04-08
•
Granted: 1962-02-06
•
Expires: 1978-04-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:58
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/08; B65D83/0894; B01; B01D; B01D29/00; B01D29/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US43193A
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US514426A
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US1164047A
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US1236055A
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US1611131A
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US1593532A
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US1792087A
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US1692463A
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US2092167A
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US2101579A
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US2295005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |