US3286379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digging tooth with corrugated cross-section
Assignee: Individual
•
Filing: 1964-01-13
•
Granted: 1966-11-22
•
Expires: 1984-01-13
Abstract
No abstract record available.
Inventors
- 👤 John G Benetti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:43
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A UNITARY TOOTH FOR DIGGING EQUIPMENT COMPRISING A PROXIMAL PORTION FORMED FOR ATTACHMENT OF SAID TOOTH TO A HOLDER AND A DISTAL PORTION, SAID DISTAL PORTION FORMED WITH TOP AND BOTTOM SURFACES, EACH SAID SURFACE FORMED AT THE DISTAL END OF SAID TOOTH WITH LONGITUDINAL CORRGUATIONS EXTENDING REARWARD FROM THE DISTAL END OF THE TOOTH
Claim 2
Dependent Claim
55 words
A UNITARY TOOTH FOR DIGGING EQUIPMENT COMPRISING A PROXIMAL PORTION FORMED FOR ATTACHMENT OF SAID TOOTH TO A HOLDER AND A DISTAL PORTION, SAID DISTAL PORTION FORMED WITH TOP AND BOTTOM SURFACES, EACH SAID SURFACE FORMED AT THE DISTAL END OF SAID TOOTH WITH LONGITUDINAL CORRGUATIONS EXTENDING REARWARD FROM THE DISTAL END OF THE TOOTH
References Cited (Backward Citations)
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Cited
US1959847A
Cited
US2247202A
Cited
US2904908A
Cited
US3021626A
Cited
US2968880A
Cited
US3103752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |