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US2444339A
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Molding machine
Assignee: WATSON STILLMAN CO
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Filing: 1944-05-24
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Granted: 1948-06-29
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Expires: 1964-05-24
Abstract
No abstract record available.
Inventors
- 👤 Richard W Dinzl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:24
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/28; B30B15/285; B30B15/30; B30B15/302; B30B15/304; Y; Y10; Y10S; Y10S425/00; Y10S425/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371195A
Cited
US1613563A
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US1884060A
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US1870500A
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US2148543A
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US2257732A
Cited
US2276016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-29 | 1951-12-29 | 1952-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-29 | 1955-12-29 | 1956-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-29 | 1959-12-29 | 1960-06-29 | $7700.00 | Window Closed / Lapsed |