US3268012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digger teeth
Assignee: PepsiAmericas Inc
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Filing: 1965-09-07
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Granted: 1966-08-23
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Ratkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:35
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2875; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8152
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A REPLACEABLE SHOURD FOR PROTECTING THE LEADING AND GROUND BREAKING WALL OF A SHANK OF A DIGGER ASSEMBLY ADJACENT AN ATTACHED DIGGER TOOTH SECURED TO THE SHANK, AND SHANK HAVING AT LEAST ONE INTEGRALLY FORMED PROJECTION ON ITS LEADING WALL BY WHICH SAID SHROUDS IS SECURED TO SAID SHANK, SAID SHROUD COMPRISING: A HOLLOW SHELL MEMBER FOR COVERING SAID PROJECTION AND THE PORTION OF SAID LEADING SIDE WALL OF THE SHANK ADJACENT SAID DIGGER TOOTH, SAID SHELL HAVING A FORWARD LEADING WALL AND HAVING OPPOSED LATERAL SIDE WALLS TERMINATING IN END WALLS FOR ENGAGING THE LEADING WALLS OF SAID SHANK ADJACENT THE OUTER EDGES OF SAID SIDE WALLS OF SAID SHANK, AND EACH OF SAID LATERAL SIDE WALLS HAVING ELONGATED APERTURES, SAID APERTURES HAVING ELONGATED SIDE WALLS CONSTITUTING ELONGATED SURFACES FOR WELDING SAID SHROUD TO SAID SHANK, SAID ELONGATED APERTURES ADAPTED TO EXPOSE SAID PROJECTION ON SAID SHANK, ACCESS BEING PROVIDED THROUGH SAID APERTURES ON SAID SHROUD FOR WELDING SAID SHROUD TO SAID SHANK.
Claim 2
Dependent Claim
164 words
A REPLACEABLE SHOURD FOR PROTECTING THE LEADING AND GROUND BREAKING WALL OF A SHANK OF A DIGGER ASSEMBLY ADJACENT AN ATTACHED DIGGER TOOTH SECURED TO THE SHANK, AND SHANK HAVING AT LEAST ONE INTEGRALLY FORMED PROJECTION ON ITS LEADING WALL BY WHICH SAID SHROUDS IS SECURED TO SAID SHANK, SAID SHROUD COMPRISING: A HOLLOW SHELL MEMBER FOR COVERING SAID PROJECTION AND THE PORTION OF SAID LEADING SIDE WALL OF THE SHANK ADJACENT SAID DIGGER TOOTH, SAID SHELL HAVING A FORWARD LEADING WALL AND HAVING OPPOSED LATERAL SIDE WALLS TERMINATING IN END WALLS FOR ENGAGING THE LEADING WALLS OF SAID SHANK ADJACENT THE OUTER EDGES OF SAID SIDE WALLS OF SAID SHANK, AND EACH OF SAID LATERAL SIDE WALLS HAVING ELONGATED APERTURES, SAID APERTURES HAVING ELONGATED SIDE WALLS CONSTITUTING ELONGATED SURFACES FOR WELDING SAID SHROUD TO SAID SHANK, SAID ELONGATED APERTURES ADAPTED TO EXPOSE SAID PROJECTION ON SAID SHANK, ACCESS BEING PROVIDED THROUGH SAID APERTURES ON SAID SHROUD FOR WELDING SAID SHROUD TO SAID SHANK.
References Cited (Backward Citations)
US3001591A
Cited
US3171500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |