Patent US3297364A successfully refreshed from Google Patents.
US3297364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth for cutting hard material such as blacktop
Assignee: Individual
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Filing: 1964-11-16
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Granted: 1967-01-10
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Expires: 1984-11-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Mcpherson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:06
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/30; E02F3/32; E02F9/00; E02F9/28; E02F9/2875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A TOOTH FOR CUTTING BLACKTOP AND THE LIKE COMPRISING: (A) AN ELONGATED BODY HAVING A FLAT TOP SURFACE; THE FRONT END OF SAID BODY BEING POINTED WITH THE FLAT TOP SURFACE AT THIS POINTED END BEING PROVIDED WITH INCLINED SIDE EDGES THAT MEET AT THE POINTED END, THE PORTION OF THE POINTED END ADJACENT TO THE INCLINED SIDE EDGES BEING UNDERCUT ON A BEVEL SO THAT ANY TRANSVERSE SECTION TAKEN THROUGH SAID POINTED END WILL HAVE ITS WIDEST EXPANSE AT THE FLAT TOP SURFACE; (B) THE FLAT TOP SURFACE OF THE BODY OF SAID TOOTH HAVING PARALLEL SIDE EDGES THAT EXTEND REARWARDLY FROM THE INCLINED SIDE EDGES OF THE POINTED END; THE SIDES OF THE BODY HAVING THEIR OUTER PARALLEL SURFACES SPACED INWARDLY FROM THE PARALLEL SIDE EDGES OF THE FLAT TOP SURFACE; AND THE BODY HAVING INWARDLY CURVED PORTIONS EXTENDING FROM SAID PARALLEL SIDE EDGES OF THE FLAT TOP SURFACE AND MERGING INTO THE OUTER PARALLEL SURFACES OF SAID INWARDLY SPACED SIDES; WHEREBY ANY TRANSVERSE SECTION TAKEN THROUGH SAID BODY AND IN BACK OF SAID POINTED END WILL HAVE ITS WIDEST EXPANSE AT THE FLAT TOP SURFACE; AND (C) MEANS FOR SECURING SAID TOOTH TO A SUPPORTING SHANK.
Claim 2
Dependent Claim
199 words
A TOOTH FOR CUTTING BLACKTOP AND THE LIKE COMPRISING: (A) AN ELONGATED BODY HAVING A FLAT TOP SURFACE; THE FRONT END OF SAID BODY BEING POINTED WITH THE FLAT TOP SURFACE AT THIS POINTED END BEING PROVIDED WITH INCLINED SIDE EDGES THAT MEET AT THE POINTED END, THE PORTION OF THE POINTED END ADJACENT TO THE INCLINED SIDE EDGES BEING UNDERCUT ON A BEVEL SO THAT ANY TRANSVERSE SECTION TAKEN THROUGH SAID POINTED END WILL HAVE ITS WIDEST EXPANSE AT THE FLAT TOP SURFACE; (B) THE FLAT TOP SURFACE OF THE BODY OF SAID TOOTH HAVING PARALLEL SIDE EDGES THAT EXTEND REARWARDLY FROM THE INCLINED SIDE EDGES OF THE POINTED END; THE SIDES OF THE BODY HAVING THEIR OUTER PARALLEL SURFACES SPACED INWARDLY FROM THE PARALLEL SIDE EDGES OF THE FLAT TOP SURFACE; AND THE BODY HAVING INWARDLY CURVED PORTIONS EXTENDING FROM SAID PARALLEL SIDE EDGES OF THE FLAT TOP SURFACE AND MERGING INTO THE OUTER PARALLEL SURFACES OF SAID INWARDLY SPACED SIDES; WHEREBY ANY TRANSVERSE SECTION TAKEN THROUGH SAID BODY AND IN BACK OF SAID POINTED END WILL HAVE ITS WIDEST EXPANSE AT THE FLAT TOP SURFACE; AND (C) MEANS FOR SECURING SAID TOOTH TO A SUPPORTING SHANK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |