Patent US2854743A successfully refreshed from Google Patents.
US2854743A
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Method of displacing and removing flash from a welded joint
Assignee: ZF Active Safety US Inc
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Filing: 1955-02-21
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Granted: 1958-10-07
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Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Gollwitzer George Elton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:07
CPC Classifications
B; B23; B23D; B23D79/00; B23D79/02; Y; Y10; Y10S; Y10S83/00; Y10S83/914; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49524
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |