US2923031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for removing the sprue from objects produced by injection molding operations
Assignee: A Nothelfer & Sohne
•
Filing: 1958-03-04
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Granted: 1960-02-02
•
Expires: 1978-03-04
Abstract
No abstract record available.
Inventors
- 👤 Collion Joseph Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/1759; B29C45/26; B29C45/27; B29C45/28; B29C45/2803; Y; Y10; Y10S; Y10S425/00; Y10S425/051; Y10S425/229
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436122A
Cited
DE900748C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |