US2873048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic conveying
Assignee: General Mills Inc
•
Filing: 1953-10-23
•
Granted: 1959-02-10
•
Expires: 1973-10-23
Abstract
No abstract record available.
Inventors
- 👤 Eli C Gear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:29
CPC Classifications
B; B03; B03C; B03C7/00; B03C7/02; B03C7/04; B65; B65G; B65G11/00; B65G11/02; B65G11/026; B65G47/00; B65G47/02; B65G47/16; B65G47/18; B65G47/20; B65G47/52; B65G47/72; Y; Y10; Y10S; Y10S264/00; Y10S264/58
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) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |