Patent US2485523A successfully refreshed from Google Patents.
US2485523A
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Hydraulic injection of plastics as a continuous strip
Assignee: HPM Development Corp
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Filing: 1943-07-21
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Granted: 1949-10-18
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Expires: 1963-07-21
Abstract
No abstract record available.
Inventors
- 👤 Bernard D Ashbaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:39
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/53; B29C48/00; B29C48/25; B29C48/36; B29C48/475; B29C48/48; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US688269A
Cited
FR665832A
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US2084149A
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US2202140A
Cited
GB501277A
Cited
GB511764A
Cited
US2263183A
Cited
US2282308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |