US3204710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enlarging roller cutter
Assignee: J C SODING AND HALBACH
•
Filing: 1962-03-12
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Granted: 1965-09-07
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Bechem Karl-Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:06
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/26; E21B10/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
ENLARGING ROLLER CUTTER FOR WIDENING A PILOT HOLE COMPRISING A STUD, A ROLLER BASE MOUNTED THEREON, A SINGLE ANNULAR TOOTH ATTACHED AT THE FORWARD END OF SAID BASE, THE DIAMETER OF SAID TOOTH BEING SUBSTANTIALLY GREATER THAN THAT OF SAID BASE, THE SURFACE OF SAID BASE HAVING A PLURALITY OF LONGITUDINAL EXTENSIONS PROVIDING RIB-LIKE EDGES ADAPTED TO CRUSH MATERIAL CUT BY SAID TOOTH, A FREE AREA IS PROVIDED TO THE REAR OF SAID TOOTH TO ACCOMMODATE THE MATERAIL ADOPTED TO BE CUT AWAY BY SAID TOOTH AND ALLOW SAID MATERIAL TO FALL INTO SAID PILOT HOLE.
Claim 2
Dependent Claim
96 words
ENLARGING ROLLER CUTTER FOR WIDENING A PILOT HOLE COMPRISING A STUD, A ROLLER BASE MOUNTED THEREON, A SINGLE ANNULAR TOOTH ATTACHED AT THE FORWARD END OF SAID BASE, THE DIAMETER OF SAID TOOTH BEING SUBSTANTIALLY GREATER THAN THAT OF SAID BASE, THE SURFACE OF SAID BASE HAVING A PLURALITY OF LONGITUDINAL EXTENSIONS PROVIDING RIB-LIKE EDGES ADAPTED TO CRUSH MATERIAL CUT BY SAID TOOTH, A FREE AREA IS PROVIDED TO THE REAR OF SAID TOOTH TO ACCOMMODATE THE MATERAIL ADOPTED TO BE CUT AWAY BY SAID TOOTH AND ALLOW SAID MATERIAL TO FALL INTO SAID PILOT HOLE.
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Cited
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |