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US2593438A
Expired / Lapsed
US
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Method and means for molding
Assignee: —
•
Filing: —
•
Granted: 1952-04-22
•
Expires: 1969-04-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:03
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29B; B29B17/00; B29C43/02; B29C43/04; B29C43/06; B29C43/08; Y; Y10; Y10S; Y10S425/00; Y10S425/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1750708A
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US1846999A
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US1965732A
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US2157467A
Cited
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Cited
US2354029A
Cited
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US2456697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |