Patent US2657482A successfully refreshed from Google Patents.
US2657482A
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US
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Removable point locking mechanism for digging teeth
Assignee: Individual
•
Filing: 1946-08-21
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Granted: 1953-11-03
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Expires: 1966-08-21
Abstract
No abstract record available.
Inventors
- 👤 Ernie L Launder
- 👤 Chester C Hosmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:20
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189718543A
Cited
US1419891A
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US1753392A
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US1856930A
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US2259456A
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US2312802A
Cited
US2427651A
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US2435847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |