US2178473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sharp edge cutting die
Assignee: Endicott Johnson Corp
•
Filing: 1939-03-09
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Granted: 1939-10-31
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Expires: 1959-03-09
Abstract
No abstract record available.
Inventors
- 👤 Leo F Exley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:31
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/44; B26F1/46; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/566; Y10T83/5669; Y10T83/576; Y10T83/5769; Y10T83/5778; Y10T83/929; Y10T83/9411; Y10T83/9423; Y10T83/9428
Claims Analysis
Total Claims: 0
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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) | 1942-10-30 | 1943-05-01 | 1943-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-30 | 1947-05-01 | 1947-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-30 | 1951-05-01 | 1951-10-31 | $7700.00 | Window Closed / Lapsed |