US2831666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Individual
•
Filing: 1956-10-19
•
Granted: 1958-04-22
•
Expires: 1976-10-19
Abstract
No abstract record available.
Inventors
- 👤 Jack K Compton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:27
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/80; B01F31/83; B01F31/831; Y; Y10; Y10S; Y10S116/00; Y10S116/19
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2414494A
Cited
US2364987A
Cited
US2453595A
Cited
US2532554A
Cited
US2697581A
Cited
US2650617A
Cited
US2693943A
Cited
US2745372A
Cited
US2768580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |