US2645464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispersing apparatus
Assignee: Micromax Inc
•
Filing: 1950-11-01
•
Granted: 1953-07-14
•
Expires: 1970-11-01
Abstract
No abstract record available.
Inventors
- 👤 Forbes Duncan Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:23
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/27; B01F27/271; B01F27/2714; B01F27/2711; B01F25/00; B01F2025/91; B01F2025/912; Y; Y10; Y10S; Y10S516/00; Y10S516/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375533A
Cited
US1081622A
Cited
US1670593A
Cited
US1567246A
Cited
US2094548A
Cited
US2055512A
Cited
US2526598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |