US2678733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straining apparatus
Assignee: West Point Manufacturing Co
•
Filing: 1950-12-15
•
Granted: 1954-05-18
•
Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 George B Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:31
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US839591A
Cited
US949724A
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US1131243A
Cited
US1151999A
Cited
US1368618A
Cited
US1212978A
Cited
US1577584A
Cited
US2139096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |