US3371913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixer
Assignee: JOHN L MUENCH SR
•
Filing: 1967-02-14
•
Granted: 1968-03-05
•
Expires: 1987-02-14
Abstract
No abstract record available.
Inventors
- 👤 Sr John L Muench
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:11
CPC Classifications
B; B01; B01F; B01F29/00; B01F29/40; B01F29/401; B01F29/4011; B01F29/40113; B01F29/402; B01F29/4021; B01F29/403; B01F29/4035; B01F29/40353; B01F29/60; B01F29/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2288440A
Cited
US3218041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |