Patent US1864066A successfully refreshed from Google Patents.
Patent US3874843A successfully refreshed from Google Patents.
US2991601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming powdered material
Assignee: Individual
•
Filing: 1956-05-14
•
Granted: 1961-07-11
•
Expires: 1976-05-14
Abstract
No abstract record available.
Inventors
- 👤 Glatter Jacob
- 👤 Burton E Schaner
- 👤 Thomas J Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:59
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; B; B22; B22F; B22F3/00; B22F3/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |