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US3280865A
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US
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Knife mounting
Assignee: Domtar Inc
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Filing: 1964-02-12
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Granted: 1966-10-25
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Alexander Ronald Rouleau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:39
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q3/08; B23Q3/086; B23Q11/00; B23Q11/0032; B23Q11/0035; B23Q17/00; B23Q17/22; B23Q17/2216; B23Q17/2225; B27; B27L; B27L11/00; B27L11/005; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2272; Y10T407/2282
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A BLADE HOLDER FOR MOUNTING ON A CUTTING HEAD, FINISHED SURFACES ON SAID BLADE HOLDER FOR COOPERATION WITH FINISHED SURFACES ON SAID CUTTER HEAD TO POSITION SAID BLADE HOLDER IN SAID CUTTER HEAD, A STEP ON ONE FACE OF SAID HOLDER DIVIDING SAID HOLDER INTO A THIN SECTION AND A THICKER SECTION, A CAVITY EXTENDING INWARDLY OF SAID THIN SECTION FROM THE STEPPED SIDE OF SAID HOLDER, A PASSAGE CONNECTING SAID CAVITY WITH THE SURFACE OF SAID HOLDER OPPOSITE SAID ONE FACE, SAID CAVITY AND SAID THIN SECTION BEING SUCH THAT WHEN A KNIFE IS POSITIONED ON SAID HOLDER AT LEAST A PORTION OF SAID KNIFE OVERLAPS SAID CAVITY.
References Cited (Backward Citations)
US2917091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |