Patent US2862237A successfully refreshed from Google Patents.
US2862237A
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US
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Multiple cavity mold charging device
Assignee: Sun Rubber Co
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Filing: 1954-01-06
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Granted: 1958-12-02
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Expires: 1974-01-06
Abstract
No abstract record available.
Inventors
- 👤 Rekettye Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/34; B29C41/36; B29C31/00; B29C31/04; B29C31/042; B29C31/044; B29C33/00; B29C33/0022; B29C33/34; B29C33/36; B29C41/02; B29C41/04; B29C41/06
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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |