US2794213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion head assembly
Assignee: STANDARD MACHINERY Co
•
Filing: 1954-06-14
•
Granted: 1957-06-04
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Benjamin H Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/06; B29C48/09; B29C48/25; B29C48/30; B29C48/32; B29C48/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1679545A
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US1844972A
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US2181987A
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GB624699A
Cited
US2469999A
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US2512844A
Cited
US2546629A
Cited
US2632204A
Cited
US2693348A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |