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US2236552A
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Covering article
Assignee: United Shoe Machinery Corp
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Filing: 1939-03-30
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Granted: 1941-04-01
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Expires: 1959-03-30
Abstract
No abstract record available.
Inventors
- 👤 Alexis E Ushakoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:43
CPC Classifications
A; A43; A43D; A43D25/00; A43D25/12; A43D25/126; B; B29; B29C; B29C61/00; B29C61/06; B29C61/0608; B29C63/00; B29C63/02; B29C63/16; B29C63/18; B29C63/182; B29C63/38; B29C63/42; B29L; B29L2031/00; B29L2031/48; B29L2031/50; B29L2031/502; Y; Y10; Y10S; Y10S264/00; Y10S264/50; Y10S264/71; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863
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) | 1944-03-31 | 1944-09-30 | 1945-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-03-31 | 1948-09-30 | 1949-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-03-31 | 1952-09-30 | 1953-04-01 | $7700.00 | Window Closed / Lapsed |