Patent US4611344A successfully refreshed from Google Patents.
US3548451A
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US
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Apparatus for removing expanded plastic articles from forming molds
Assignee: Corning Glass Works
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Filing: 1967-05-11
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Granted: 1970-12-22
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Expires: 1987-05-11
Abstract
No abstract record available.
Inventors
- 👤 Arieh Carmi
- 👤 Thomas J Rayeski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:02
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445; B29C33/00; B29C33/44; B29C33/442; B29C44/3415; B29C44/3426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2959818A
Cited
US2396406A
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US2456778A
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US2629897A
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US2741797A
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US2828509A
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US2860374A
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US2929105A
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US3125780A
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FR1237862A
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US3183551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |