US2779970A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion molding apparatus
Assignee: Siemens Schuckertwerke AG
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Filing: 1954-10-11
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Granted: 1957-02-05
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Expires: 1974-10-11
Abstract
No abstract record available.
Inventors
- 👤 Stocker Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:39
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/06; B29C48/16; B29C48/18; B29C48/19; B29C48/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2644983A
Cited
US2674007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |