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US2587070A
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Multiple molding by thermoplastic injection
Assignee: Individual
•
Filing: 1949-01-07
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Granted: 1952-02-26
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Expires: 1969-01-07
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Spillman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US644425A
Cited
US1936141A
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US2259781A
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US2262615A
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US2368818A
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US2476558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |