US2587243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting apparatus
Assignee: I J MCCULLOUGH
•
Filing: 1946-10-16
•
Granted: 1952-02-26
•
Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 William G Sweetman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:34
CPC Classifications
F; F42; F42B; F42B1/00; F42B1/02; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0591
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |