US2293252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finishing edges of sheet material
Assignee: United Shoe Machinery Corp
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Filing: 1939-10-11
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Granted: 1942-08-18
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Expires: 1959-10-11
Abstract
No abstract record available.
Inventors
- 👤 Fred L Foster
- 👤 Charles I Stoddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:13
CPC Classifications
C; C14; C14B; C14B11/00; B; B29; B29C; B29C48/00; B29C48/15; B29C48/154; B29C48/155; B29C48/03; B29C48/07; B29C48/08; B29C48/12
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) | 1945-08-17 | 1946-02-16 | 1946-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-17 | 1950-02-16 | 1950-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-17 | 1954-02-16 | 1954-08-18 | $7700.00 | Window Closed / Lapsed |