US2674816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Excavting tooth with replaceable point
Assignee: American Brake Shoe Co
•
Filing: 1950-09-23
•
Granted: 1954-04-13
•
Expires: 1970-09-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Daniels
- 👤 Joseph P Murtaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:27
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)
US821215A
Cited
US1003663A
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US1202806A
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US1330143A
Cited
US1548374A
Cited
US2259456A
Cited
US2251169A
Cited
US2427651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |