US3005576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and dispensing apparatus
Assignee: SEMCO RES Inc
•
Filing: 1958-04-22
•
Granted: 1961-10-24
•
Expires: 1978-04-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Trautmann
- 👤 George G Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:44
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/115; B01F27/1153
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) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |