Patent US2345664A successfully refreshed from Google Patents.
US2345664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knitting machine and method
Assignee: Hemphill Co
•
Filing: 1942-09-19
•
Granted: 1944-04-04
•
Expires: 1962-09-19
Abstract
No abstract record available.
Inventors
- 👤 Fregeolle Oscar
- 👤 Isaac H C Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:15
CPC Classifications
D; D04; D04B; D04B9/00; D04B9/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-04-04 | 1947-10-04 | 1948-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-04-04 | 1951-10-04 | 1952-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-04-04 | 1955-10-04 | 1956-04-04 | $7700.00 | Window Closed / Lapsed |