US2829399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion apparatus
Assignee: EIDP Inc
•
Filing: 1954-02-04
•
Granted: 1958-04-08
•
Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Caracciolo Vincent Peter
- 👤 Peterson Robert Nord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:44
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/76; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/425; B29B7/428; B29B7/429; B29B7/80; B29B7/86; B29C48/03; B29C48/395; B29C48/40; B29C48/402; B29C48/404; B29C48/435; B29C48/505; B29C48/56; B29C48/625; B29C48/68; B29C48/685; B29C48/686; B29C48/688; B29C48/425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1904884A
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US1353917A
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US2370469A
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US2615199A
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US2547000A
Cited
US2744287A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-07 | 1961-10-07 | 1962-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-07 | 1965-10-07 | 1966-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-07 | 1969-10-07 | 1970-04-08 | $7700.00 | Window Closed / Lapsed |