Patent US2914868A successfully refreshed from Google Patents.
US2914868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold board end bit with replaceable tooth
Assignee: H&L Tooth Co
•
Filing: 1956-02-28
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Granted: 1959-12-01
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Expires: 1976-02-28
Abstract
No abstract record available.
Inventors
- 👤 Ernie L Launder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:48
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732639A
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US2092311A
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US2251487A
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US2281928A
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US2322432A
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US2297677A
Cited
US2568075A
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US2718075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |