Patent US2828507A successfully refreshed from Google Patents.
US2828507A
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US
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Injection molding press having valved gate
Assignee: FJ Stokes Corp
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Filing: 1953-12-07
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Granted: 1958-04-01
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Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Strauss William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:29
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/27; B29C45/28; B29C45/2806; B29C45/281; B29C2045/2813; B29C45/40; Y; Y10; Y10S; Y10S425/00; Y10S425/229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |