Patent US4653021A successfully refreshed from Google Patents.
US2613592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for expressing oil
Assignee: K N H Corp
•
Filing: 1947-10-20
•
Granted: 1952-10-14
•
Expires: 1967-10-20
Abstract
No abstract record available.
Inventors
- 👤 Clarence T Nemir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:18
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/04; B30B9/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US533871A
Cited
US538687A
Cited
US677148A
Cited
US748138A
Cited
US829763A
Cited
US1085993A
Cited
US1110087A
Cited
US1445032A
Cited
US1448774A
Cited
US1709349A
Cited
US1952951A
Cited
US1982576A
Cited
US1985426A
Cited
US2083032A
Cited
US2120943A
Cited
US2065848A
Cited
US2244078A
Cited
US2269898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |