US2608424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stuffing box
Assignee: Mixing Equipment Co Inc
•
Filing: 1947-11-05
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Granted: 1952-08-26
•
Expires: 1967-11-05
Abstract
No abstract record available.
Inventors
- 👤 Harvey J Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:20
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/184; F16J15/185; F16J15/186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US621817A
Cited
US757597A
Cited
US1055166A
Cited
US1081273A
Cited
US1757311A
Cited
US1740997A
Cited
US2295490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |