US3006476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aquarium filter
Assignee: HALVIN PRODUCTS CO
•
Filing: 1959-06-19
•
Granted: 1961-10-31
•
Expires: 1979-06-19
Abstract
No abstract record available.
Inventors
- 👤 Halpert Abby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:15
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/04; Y; Y10; Y10S; Y10S4/00; Y10S4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1574783A
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GB663562A
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US2665250A
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US2770366A
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US2748075A
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US2822925A
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US2877898A
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US2935199A
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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) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |