US3417971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing and ejection tool
Assignee: Individual
•
Filing: 1967-02-23
•
Granted: 1968-12-24
•
Expires: 1987-02-23
Abstract
No abstract record available.
Inventors
- 👤 Robert J Blank
- 👤 David E Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:52
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/40; A; A61; A61C; A61C9/00; A61C9/0026; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; B01F33/50112; B01F35/00; B01F35/40; B01F35/41; B01F35/411; B01F35/4111; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; B05C17/00503; B05C17/00506; B05C17/00513; B05C17/00516
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |