US3525105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sink strainer
Assignee: PREMIER TOOL AND DIE Ltd
•
Filing: 1968-05-03
•
Granted: 1970-08-25
•
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 00:39
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/262
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE614816C
Cited
DE625068C
Cited
US1593087A
Cited
US1760651A
Cited
US1704529A
Cited
US1773547A
Cited
US2450392A
Cited
US2905951A
Cited
US3027569A
Cited
US3096527A
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 |