Patent US1909310A successfully refreshed from Google Patents.
Patent US2446097A successfully refreshed from Google Patents.
US2446097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting apparatus
Assignee: Akzo Nobel UK PLC
•
Filing: 1944-05-24
•
Granted: 1948-07-27
•
Expires: 1964-05-24
Abstract
No abstract record available.
Inventors
- 👤 Seddon C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:13
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/02; D01G1/04; Y; Y10; Y10S; Y10S83/00; Y10S83/913
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US799669A
Cited
US2173789A
Cited
US2197856A
Cited
US2213793A
Cited
US2197857A
Cited
FR850224A
Cited
US2254058A
Cited
US2327087A
Cited
US2296252A
Cited
US2323644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-27 | 1952-01-26 | 1952-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-27 | 1956-01-26 | 1956-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-27 | 1960-01-26 | 1960-07-27 | $7700.00 | Window Closed / Lapsed |