Patent US2934842A successfully refreshed from Google Patents.
US2934842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digging teeth for excavating dippers, etc.
Assignee: Individual
•
Filing: 1955-11-30
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Granted: 1960-05-03
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Expires: 1975-11-30
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 13:06
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2825; E02F9/2833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1188480A
Cited
GB103025A
Cited
US1270670A
Cited
US2230424A
Cited
US2251169A
Cited
US2307359A
Cited
US2339128A
Cited
US2709941A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |