US3197894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digging tooth with screws set into resilient pockets
Assignee: American Brake Shoe Co
•
Filing: 1962-07-26
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Granted: 1965-08-03
•
Expires: 1982-07-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Ratkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:53
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2808; E02F9/2816; E02F9/2833; E02F9/2841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A TOOTH ASSEMBLY OF THE KIND DESCRIBED, A HOLDER AND A REPLACEABLE POINT SUPPORTED THEREBY, AND MEANS DETACHABLY SECURING THE POINT TO THE HOLDER INCLUDING SCREWS HAVING TAPERED ENDS DISPOSED IN OPENINGS IN SPACED WALL PORTIONS OF THE POINT WITH THE HEADS THEREOF DISPOSED OUTWARD OF SAID OPENINGS AND THE TAPERED ENDS THEREOF SEATED IN CORRESPONDING RESILIENT POCKETS IN THE HOLDER.
Claim 2
Dependent Claim
62 words
IN A TOOTH ASSEMBLY OF THE KIND DESCRIBED, A HOLDER AND A REPLACEABLE POINT SUPPORTED THEREBY, AND MEANS DETACHABLY SECURING THE POINT TO THE HOLDER INCLUDING SCREWS HAVING TAPERED ENDS DISPOSED IN OPENINGS IN SPACED WALL PORTIONS OF THE POINT WITH THE HEADS THEREOF DISPOSED OUTWARD OF SAID OPENINGS AND THE TAPERED ENDS THEREOF SEATED IN CORRESPONDING RESILIENT POCKETS IN THE HOLDER.
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |