US2638633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding of resin dispersions
Assignee: United Shoe Machinery Corp
•
Filing: 1949-09-08
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Granted: 1953-05-19
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Expires: 1969-09-08
Abstract
No abstract record available.
Inventors
- 👤 Andrew A Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:31
CPC Classifications
B; B29; B29C; B29C66/00; A; A43; A43B; A43B13/00; A43B13/02; A43B13/04; A43B13/28; A43B13/32; B29C65/00; B29C65/02; B29C65/14; B29C65/1403; B29C65/1412; B29C65/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US255139A
Cited
US1691347A
Cited
US1989853A
Cited
US2032508A
Cited
US2129106A
Cited
GB500298A
Cited
US2470089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |