US3410535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Individual
•
Filing: 1967-01-23
•
Granted: 1968-11-12
•
Expires: 1987-01-23
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Balassa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:21
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/86; B01F33/862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2450802A
Cited
US2801083A
Cited
US3197181A
Cited
US3154296A
Cited
US3163405A
Cited
US3197182A
Cited
US3229965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |