US2950815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion conveying apparatus
Assignee: Reynolds Metals Co
•
Filing: 1957-11-22
•
Granted: 1960-08-30
•
Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
- 👤 William O Oberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:43
CPC Classifications
B; B21; B21C; B21C33/00; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6633
Claims Analysis
Total Claims: 0
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US2738062A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |