Patent US2962786A successfully refreshed from Google Patents.
US2962786A
Expired / Lapsed
US
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Apparatus for forming composite extruded articles
Assignee: Individual
•
Filing: 1957-11-07
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Granted: 1960-12-06
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Expires: 1977-11-07
Abstract
No abstract record available.
Inventors
- 👤 Sr Elwin A Hawk
- 👤 Jr Elwin A Hawk
- 👤 Pietro P Marchiano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:50
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |