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Patent US3512223A successfully refreshed from Google Patents.
US3512223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loop formed of synthetic fibre cord
Assignee: Aquariums Inc
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Filing: 1965-10-22
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Granted: 1970-05-19
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Allan H Willinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:47
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/18; D07B1/185; B; B29; B29C; B29C65/00; B29C65/70; B29C66/00; B29C66/69; A; A44; A44C; A44C5/00; A44C5/14; A44C5/142; B29C66/70; B29C66/71
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1680347A
Cited
FR1160841A
Cited
FR1166630A
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FR71087E
Cited
US2835945A
Cited
US2983006A
Cited
US3104650A
Cited
FR1320382A
Cited
US3204310A
Cited
US3169340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |