US2973718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing device
Assignee: HERMAN DEUTSCH
•
Filing: 1957-04-03
•
Granted: 1961-03-07
•
Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Carl J Deutsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:31
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/105; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87595; Y10T137/87619; Y10T137/87627; Y10T137/87676; Y10T137/87684
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-06 | 1964-09-05 | 1965-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-06 | 1968-09-05 | 1969-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-06 | 1972-09-05 | 1973-03-07 | $7700.00 | Window Closed / Lapsed |