Patent US3080653A successfully refreshed from Google Patents.
US3080653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
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Filing: 1962-04-20
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Granted: 1963-03-12
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Herbert S Dolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
B; B26; B26B; B26B5/00; B26B27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A KNIFE COMPRISING AN ELONGATED HANDLE HAVING AN EXTERNALLY THREADED PORTION AND A BORE HOLE EXTENDING AXIALLY IN SAID THREADED PORTION, A BLADE HOLDER SUPPORTED ROTATABLY IN SAID BORE HOLE AND EXTENDING PARTLY BEYOND ONE END OF SAID HANDLE, AN ADJUSTMENT NUT MOUNTED ROTATABLY ON THE THREADED PORTION OF SAID HANDLE AND HAVING AN INWARDLY TAPERED PORTION EXTENDING BEYOND THE END OF SAID HANDLE ENCLOSING THE PARTLY EXTENDED PORTION OF SAID BLADE HOLDER, SAID INWARDLY TAPERED PORTION TERMINATING IN A BORE OPENING ALIGNED IN FRONT OF SAID BLADE HOLDER AND HAVING AN INNER SURFACE ADAPTED TO ENGAGE THE EXTENDING PORTION OF SAID BLADE HOLDER FOR MAINTAINING IT IN THE BORE HOLE OF SAID HANDLE, A LOCKING NUT MOUNTED ROTATABLY ON THE THREADED PORTION OF SAID HANDLE ADJACENT SAID ADJUSTMENT NUT, AND A KNIFE BLADE CARRIED BY SAID BLADE HOLDER AND EXTENDING THROUGH THE BORE OPENING IN THE INWARDLY TAPERED PORTION OF SAID ADJUSTMENT NUT.
Claim 2
Dependent Claim
154 words
A KNIFE COMPRISING AN ELONGATED HANDLE HAVING AN EXTERNALLY THREADED PORTION AND A BORE HOLE EXTENDING AXIALLY IN SAID THREADED PORTION, A BLADE HOLDER SUPPORTED ROTATABLY IN SAID BORE HOLE AND EXTENDING PARTLY BEYOND ONE END OF SAID HANDLE, AN ADJUSTMENT NUT MOUNTED ROTATABLY ON THE THREADED PORTION OF SAID HANDLE AND HAVING AN INWARDLY TAPERED PORTION EXTENDING BEYOND THE END OF SAID HANDLE ENCLOSING THE PARTLY EXTENDED PORTION OF SAID BLADE HOLDER, SAID INWARDLY TAPERED PORTION TERMINATING IN A BORE OPENING ALIGNED IN FRONT OF SAID BLADE HOLDER AND HAVING AN INNER SURFACE ADAPTED TO ENGAGE THE EXTENDING PORTION OF SAID BLADE HOLDER FOR MAINTAINING IT IN THE BORE HOLE OF SAID HANDLE, A LOCKING NUT MOUNTED ROTATABLY ON THE THREADED PORTION OF SAID HANDLE ADJACENT SAID ADJUSTMENT NUT, AND A KNIFE BLADE CARRIED BY SAID BLADE HOLDER AND EXTENDING THROUGH THE BORE OPENING IN THE INWARDLY TAPERED PORTION OF SAID ADJUSTMENT NUT.
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |