US2889048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strainers
Assignee: Thornhill-Craver Co Inc
•
Filing: 1954-02-08
•
Granted: 1959-06-02
•
Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 Obert L Nordin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:18
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/117; B01D29/62; B01D29/64; B01D29/6438; B01D29/6446; B01D29/6453; B01D2201/00; B01D2201/28; B01D2201/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US144696A
Cited
US2082330A
Cited
US2029795A
Cited
FR991641A
Cited
US2658622A
Cited
US2601559A
Cited
US2658623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |