Patent US2468337A successfully refreshed from Google Patents.
US2468337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bladed shear reducing mill
Assignee: Individual
•
Filing: 1944-02-28
•
Granted: 1949-04-26
•
Expires: 1964-02-28
Abstract
No abstract record available.
Inventors
- 👤 Henry G Lykken
- 👤 William H Lykken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:17
CPC Classifications
B; B02; B02C; B02C13/00; B02C18/00; B02C18/06; B02C18/08; B02C18/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1321801A
Cited
US28989A
Cited
US74682A
Cited
US287360A
Cited
US24058A
Cited
DE26826C
Cited
US50984A
Cited
FR341317A
Cited
US862720A
Cited
US1793691A
Cited
US1840827A
Cited
US1977955A
Cited
DE530253C
Cited
US2077226A
Cited
US2105766A
Cited
GB444684A
Cited
US2204140A
Cited
US2169338A
Cited
US2255213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |