US2830770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulating machine
Assignee: Individual
•
Filing: 1954-03-12
•
Granted: 1958-04-15
•
Expires: 1974-03-12
Abstract
No abstract record available.
Inventors
- 👤 Luca Michael F De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:24
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C18/148; B02C18/16; B02C18/18; B02C18/186; B02C23/00; B02C23/08; B02C23/16; B02C2023/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US512958A
Cited
US1699944A
Cited
US2171949A
Cited
US2225781A
Cited
US2326682A
Cited
US2381775A
Cited
US2669271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |