US2581489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making casts
Assignee: United Shoe Machinery Corp
•
Filing: 1948-04-09
•
Granted: 1952-01-08
•
Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 Charles O Kilham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:56
CPC Classifications
A; A43; A43D; A43D1/00; A43D1/02; A43D1/022; A61; A61B; A61B5/00; A61B5/103; A61B5/107; A61B5/1077; A61B5/1078; Y; Y10; Y10S; Y10S264/00; Y10S264/30; Y10S425/00; Y10S425/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1202341A
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US1592536A
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US1821413A
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US2057039A
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US2138974A
Cited
US2238534A
Cited
US2345112A
Cited
US2354916A
Cited
US2357867A
Cited
US2472754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |