US2773284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die construction for pressure injection molding machines
Assignee: COLUMBUS PLASTIC PRODUCTS Inc
•
Filing: 1953-03-13
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Granted: 1956-12-11
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Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 George W Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:54
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/28; B29C45/2806; B29C45/281; B29C45/40; B29C45/43; B29C2045/2834; Y; Y10; Y10S; Y10S425/00; Y10S425/227; Y10S425/229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1036778A
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US1918532A
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US1983602A
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US2254233A
Cited
US2227263A
Cited
US2396406A
Cited
US2630601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |