US2539401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting apparatus
Assignee: Individual
•
Filing: 1945-11-21
•
Granted: 1951-01-30
•
Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Jack W Carl
- 👤 Ellen Glen
- 👤 Albert T John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:49
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2083; Y10T83/2092; Y10T83/2192; Y10T83/2209; Y10T83/2211; Y10T83/647; Y10T83/6572; Y10T83/6577; Y10T83/6579; Y10T83/768; Y10T83/7793
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US156162A
Cited
US1116101A
Cited
US1382207A
Cited
US1827193A
Cited
US1750534A
Cited
US1985848A
Cited
US2240424A
Cited
US2464173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |