US2928125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and injection nozzle for preventing excessive heat transfer to a mold
Assignee: Crown Machine and Tool Co Inc
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Filing: 1956-05-31
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Granted: 1960-03-15
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Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Robert E Smucker
- 👤 James M Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:59
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/26; B29C45/27; B29C2045/2766
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) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |