Patent US3512216A successfully refreshed from Google Patents.
US3512216A
Expired / Lapsed
US
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Injection molding nozzle support
Assignee: Bischoff Chemical Corp
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Filing: 1968-03-26
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Granted: 1970-05-19
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Expires: 1988-03-26
Abstract
No abstract record available.
Inventors
- 👤 Walter D Voelker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:34
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/42; B29C44/424; B29C44/425; B29C33/00; B29C33/0077; B29C45/00; B29C45/17; B29C45/1781; B29C45/20; B29C2045/202; Y; Y10; Y10S; Y10S264/00; Y10S264/83
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) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |