US2578719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding apparatus
Assignee: Autograf Brush & Plastics Co I
•
Filing: 1944-06-14
•
Granted: 1951-12-18
•
Expires: 1964-06-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Mayer
- 👤 Clair Wilbur F St
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:49
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/56; B29C45/5675; B29C45/561; B29C45/57; B29C45/572; B29L; B29L2031/00; B29L2031/42; B29L2031/425; Y; Y10; Y10S; Y10S425/00; Y10S425/805; Y10S425/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1174049A
Cited
US1673054A
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GB357992A
Cited
US1989812A
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US2207600A
Cited
US2253822A
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US2181157A
Cited
US2282308A
Cited
US2355613A
Cited
US2353825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |