US2882555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastics extruding apparatus
Assignee: AT&T Inc
•
Filing: 1955-04-06
•
Granted: 1959-04-21
•
Expires: 1975-04-06
Abstract
No abstract record available.
Inventors
- 👤 George E Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:03
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/05; B29C48/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732588A
Cited
AT29016B
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US2205518A
Cited
US2185701A
Cited
US2257104A
Cited
US2308638A
Cited
US2341731A
Cited
FR938214A
Cited
US2486474A
Cited
US2581769A
Cited
US2740158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |