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Patent US3525105A successfully refreshed from Google Patents.
US3525105A
Expired / Lapsed
US
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Sink strainer
Assignee: PREMIER TOOL AND DIE Ltd
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Filing: 1968-05-03
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Granted: 1970-08-25
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Expires: 1988-05-03
Abstract
No abstract record available.
Inventors
- 👤 William Thomas Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:08
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US3027569A
Cited
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Cited
GB1031993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |