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US2593136A
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Apparatus for extruding and straining compounds
Assignee: AT&T Inc
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Filing: 1949-05-21
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Granted: 1952-04-15
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Expires: 1969-05-21
Abstract
No abstract record available.
Inventors
- 👤 George E Gliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/69; B29C48/693; B29C48/03; B29C48/06; B29C48/30; B29C48/32; B29C48/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB269761A
Cited
US2471324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |