US2865388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid mixing and proportioning device
Assignee: WEST SHORE Manufacturing Co
•
Filing: 1955-01-13
•
Granted: 1958-12-23
•
Expires: 1975-01-13
Abstract
No abstract record available.
Inventors
- 👤 Solon A Sternbergh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:34
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/315; B01F25/312; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/8597
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1085348A
Cited
US1946474A
Cited
US2071095A
Cited
US2203980A
Cited
US2323341A
Cited
US2573299A
Cited
US2590061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |