US3357290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attaching of cutting tips to shanks or bodies of cutting blades and loopers for carpet making
Assignee: DOCK GRINDING AND ENGINEERING
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Filing: 1965-01-29
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Granted: 1967-12-12
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Expires: 1985-01-29
Abstract
No abstract record available.
Inventors
- 👤 Neale Richard Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:21
CPC Classifications
D; D05; D05C; D05C15/00; D05C15/04; D05C15/08; D05C15/16; D05C15/24; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/97
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A CUTTING TOOL FOR USE IN THE MANUFACTURE OF CARPETS AND THE LIKE, SAID TOOL COMPRISING A CUTTING TIP MADE OF A METAL HAVING SUPERIOR EDGE HOLDING PROPERTIES, A THIN FLAT SHANK LESS THAN 1/10 OF AN INCH THICK AND MADE OF A METAL WHICH HOLDS AN EDGE LESS WELL THAN THAT OF SAID TIP, EACH OF SAID SHANK AND TIP HAVING A PAIR OF SURFACES MAKING AN OBTUSE ANGLE WITH RESPECT TO EACH OTHER WHILE THE SURFACES ON SAID SHANK MATE WITH THOSE ON SAID TIP, AND A METAL SHIM INTERPOSED BETWEEN AND SOLDERED TO SAID MATING SURFACES.
Claim 2
Dependent Claim
99 words
A CUTTING TOOL FOR USE IN THE MANUFACTURE OF CARPETS AND THE LIKE, SAID TOOL COMPRISING A CUTTING TIP MADE OF A METAL HAVING SUPERIOR EDGE HOLDING PROPERTIES, A THIN FLAT SHANK LESS THAN 1/10 OF AN INCH THICK AND MADE OF A METAL WHICH HOLDS AN EDGE LESS WELL THAN THAT OF SAID TIP, EACH OF SAID SHANK AND TIP HAVING A PAIR OF SURFACES MAKING AN OBTUSE ANGLE WITH RESPECT TO EACH OTHER WHILE THE SURFACES ON SAID SHANK MATE WITH THOSE ON SAID TIP, AND A METAL SHIM INTERPOSED BETWEEN AND SOLDERED TO SAID MATING SURFACES.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |