US2891333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digging teeth for excavating, dippers, etc.
Assignee: Individual
•
Filing: 1954-09-10
•
Granted: 1959-06-23
•
Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 Lesher W Van Buskirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:15
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB103025A
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US1246644A
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US1874783A
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US2032875A
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US2064059A
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US2230424A
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US2251169A
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US2339128A
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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) | 1962-06-22 | 1962-12-22 | 1963-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-22 | 1966-12-22 | 1967-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-22 | 1970-12-22 | 1971-06-23 | $7700.00 | Window Closed / Lapsed |