US2658237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection molding apparatus
Assignee: HYDRAULIC MOLDS Corp
•
Filing: 1948-12-14
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Granted: 1953-11-10
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Expires: 1968-12-14
Abstract
No abstract record available.
Inventors
- 👤 Charles H Cuppett
- 👤 Taylor John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:18
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/37; B29C45/03; B29C45/04; Y; Y10; Y10S; Y10S425/00; Y10S425/004; Y10S425/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2152738A
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US2218260A
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US2145956A
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US2365282A
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US2356634A
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US2352083A
Cited
US2375955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |