US2535413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box forming machine
Assignee: United Shoe Machinery Corp
•
Filing: 1945-03-09
•
Granted: 1950-12-26
•
Expires: 1965-03-09
Abstract
No abstract record available.
Inventors
- 👤 George T Hart
- 👤 Seymour Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:07
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/60; B31B50/62; B31B50/64; B31B50/642; Y; Y10; Y10S; Y10S53/00; Y10S53/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2032343A
Cited
US2087480A
Cited
US2186977A
Cited
US2341845A
Cited
US2321562A
Cited
US2324068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |