US2577932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying lathe
Assignee: United Shoe Machinery Corp
•
Filing: 1947-08-01
•
Granted: 1951-12-11
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Laurence E Topham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:35
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1798926A
Cited
US1864187A
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US1753391A
Cited
US2154726A
Cited
US2277153A
Cited
US2365311A
Cited
US2411135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-10 | 1955-06-11 | 1955-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-10 | 1959-06-11 | 1959-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-10 | 1963-06-11 | 1963-12-11 | $7700.00 | Window Closed / Lapsed |