Patent US3874030A successfully refreshed from Google Patents.
Patent US3277852A successfully refreshed from Google Patents.
US3277852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knife block for a tufting machine
Assignee: Individual
•
Filing: 1965-01-07
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Granted: 1966-10-11
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Expires: 1985-01-07
Abstract
No abstract record available.
Inventors
- 👤 Roy T Card
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:47
CPC Classifications
D; D05; D05C; D05C15/00; D05C15/04; D05C15/08; D05C15/16; D05C15/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A KNIFE BLOCK FOR A TUFTING MACHINE COMPRISING: (A) AN ELONGATED CHANNEL-SHAPED BODY HAVING A WEB AND FIRST AND SECOND FLANGES EXTENDING ALONG OPPOSITE SIDES OF SAID WEB FOR SLIDABLY RECEIVING A TUFTING KNIFE, (B) AN ELONGATED BORE EXTENDING TRANSVERSELY THROUGH SAID FIRST FLANGE AND SAID WEB, (C) A CAVITY HAVING A LARGER CROSS-SECTION THAN SAID BORE FORMED THROUGH SAID SECOND FLANGE AND COMMUNICATING WITH SAID BORE, (D) AN INTERNALLY THREADED NUT MEMBER RECEIVED IN SAID CAVITY, AND (E) A BOLT MEMBER EXTENDING THROUGH SAID BORE, SAID BOLT MEMBER HAVING A THREADED ENDPORTION THREADEDLY ENGAGING SAID NUT MEMBER SO THAT WHEN SAID BOLT MEMBER IS TURNED SAID NUT MEMBER WILL BE DRAWN TOWARD SAID WEB TO ENGAGE THE ADJACENT EDGE OF A TUFTING KNIFE RECEIVED IN SAID BLOCK.
Claim 2
Dependent Claim
128 words
A KNIFE BLOCK FOR A TUFTING MACHINE COMPRISING: (A) AN ELONGATED CHANNEL-SHAPED BODY HAVING A WEB AND FIRST AND SECOND FLANGES EXTENDING ALONG OPPOSITE SIDES OF SAID WEB FOR SLIDABLY RECEIVING A TUFTING KNIFE, (B) AN ELONGATED BORE EXTENDING TRANSVERSELY THROUGH SAID FIRST FLANGE AND SAID WEB, (C) A CAVITY HAVING A LARGER CROSS-SECTION THAN SAID BORE FORMED THROUGH SAID SECOND FLANGE AND COMMUNICATING WITH SAID BORE, (D) AN INTERNALLY THREADED NUT MEMBER RECEIVED IN SAID CAVITY, AND (E) A BOLT MEMBER EXTENDING THROUGH SAID BORE, SAID BOLT MEMBER HAVING A THREADED ENDPORTION THREADEDLY ENGAGING SAID NUT MEMBER SO THAT WHEN SAID BOLT MEMBER IS TURNED SAID NUT MEMBER WILL BE DRAWN TOWARD SAID WEB TO ENGAGE THE ADJACENT EDGE OF A TUFTING KNIFE RECEIVED IN SAID BLOCK.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |