US2511203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for simultaneously advancing and working plastic material
Assignee: AT&T Inc
•
Filing: 1946-11-13
•
Granted: 1950-06-13
•
Expires: 1966-11-13
Abstract
No abstract record available.
Inventors
- 👤 George E Gliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:47
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/505; B29C48/62; B29C48/03; B29C48/05; B29C48/30; B29C48/32; B29C48/34; B29C48/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320718A
Cited
US1904884A
Cited
US1167096A
Cited
US1886592A
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US2138670A
Cited
US2407503A
Cited
US2319859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |