Patent US2807105A successfully refreshed from Google Patents.
US2807105A
Expired / Lapsed
US
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Detachable retaining means for digging teeth
Assignee: H&L Tooth Co
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Filing: 1954-01-04
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Granted: 1957-09-24
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Expires: 1974-01-04
Abstract
No abstract record available.
Inventors
- 👤 Ernie L Launder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:15
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1250180A
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US1344562A
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US1464942A
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US1512559A
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US1812496A
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US1846933A
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US2124230A
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US2251487A
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US2376764A
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US2603009A
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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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |