US2990807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for coating particles
Assignee: Consolidated Vacuum Corp
•
Filing: 1959-02-20
•
Granted: 1961-07-04
•
Expires: 1979-02-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon P Gerow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:42
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/223; B; B22; B22F; B22F1/00; B22F1/18; Y; Y10; Y10S; Y10S260/00; Y10S260/41
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2197792A
Cited
GB665831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |