US3325926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digger tooth and assembly for an excavating apparatus
Assignee: MID CONTINENT STEEL CASTING CO
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Filing: 1964-03-09
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Granted: 1967-06-20
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 William W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:19
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A DIGGER TOOTH ADAPTED FOR REMOVABLE ATTACHMENT TO THE CUTTING EDGE OF AN EXCAVATING APPARATUS, SAID TOOTH COMPRISING: A WEDGE SHAPED TOOTH HAVING A FORWARD AND REAR PORTION, MEANS FOR RELEASABLY SECURING SAID REAR PORTION TO THE CUTTING EDGE OF AN EXCAVATING APPARATUS, AND A FLANGE ON EACH FORWARD PORTION SIDE EDGE INCLINED UPWARDLY FROM THE FORWARD EDGE OF SAID FORWARD PORTION TO A POINT ABOVE THE PLANE OF SAID REAR PORTION AND THEN INCLINED DOWNWARDLY TO THE PLANE OF SAID REAR PORTION.
References Cited (Backward Citations)
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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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |