Patent USRE23839E successfully refreshed from Google Patents.
USRE23839E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for extruding thermo
Assignee: —
•
Filing: —
•
Granted: 1954-06-15
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Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:20
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/25; B29C48/78; B29C48/80; B29C48/84; B29C48/845; B29C48/36; B29C48/50; B29C48/505; B29C48/51; B29C48/515; B29C48/793; B29C48/797; B29C48/83; B29C48/832
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |