US2777467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing device
Assignee: Individual
•
Filing: 1954-06-09
•
Granted: 1957-01-15
•
Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Loyd E Powell
- 👤 Tapp Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:39
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; B; B01; B01F; B01F25/00; B01F25/40; B01F25/42; B01F25/43; B01F25/435; B01F25/45; B01F25/452; B01F25/4521; B01F25/45211; B01F2025/91; B01F2025/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |