Patent US2547304A successfully refreshed from Google Patents.
US2547304A
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Ejector mechanism for heading and like machines
Assignee: GKN Group Services Ltd
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Filing: 1950-04-18
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Granted: 1951-04-03
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Expires: 1970-04-18
Abstract
No abstract record available.
Inventors
- 👤 Broscomb Dennis George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:12
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/08; B21J13/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1828; Y10T82/00; Y10T82/25; Y10T82/2514; Y10T82/2521; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2122; Y10T83/2127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |