US3104453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary cutting tool
Assignee: Individual
•
Filing: 1961-05-09
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Granted: 1963-09-24
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Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 Walter J Greenleaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:47
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2265; B23C5/2278; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/192; Y10T407/1922; Y10T407/1932; Y10T407/1934; Y10T407/1938; Y10T407/1942; Y10T407/1944
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A ROTARY CUTTER COMPRISING A BODY WITH A RIM, A PLURALITY OF ANGULARLY SPACED OPEN ENDED SLOTS EXTENDING THROUGH THE RIM AND HAVING A KEYWAY AT ONE SIDE OF EACH SLOT AND EXTENDING LENGTHWISE OF THE SLOT, A BIT SEAT MEMBER IN EACH SLOT AND SEATED AGAINST SAID ONE SIDE OF EACH SLOT, SAID BIT SEAT MEMBER HAVING A KEYING PROJECTION FITTING IN SAID KEYWAY, SAID BIT SEAT MEMBER HAVING AN END SEAT SPACED FROM SAID ONE SIDE OF THE SLOT FOR A THIN FLAT BIT WITH POLYGONAL SIDES PROVIDING CUTTING EDGES SUCCESSIVELY BROUGHT INTO CUTTING POSITION BY INDEXING THE BIT ABOUT AN AXIS THROUGH AN END FACE OF THE BIT AND SAID BIT SEAT MEMBER FURTHER HAVING AN INTEGRAL PORTION UPSTANDING FROM THE END SEAT AND PROVIDED WITH A SIDE SEAT FOR ENGAGING ONE SIDE OF THE BIT, SAID BODY HAVING IN EACH SLOT A SIDE SEAT FOR ENGAGING ANOTHER SIDE OF THE BIT, MEANS FOR FASTENING THE BIT SEAT MEMBERS IN SAID SLOTS, AND MEANS FOR CLAMPING THE BITS AGAINST THE END SEATS OF THE BIT SEAT
Claim 2
Dependent Claim
179 words
A ROTARY CUTTER COMPRISING A BODY WITH A RIM, A PLURALITY OF ANGULARLY SPACED OPEN ENDED SLOTS EXTENDING THROUGH THE RIM AND HAVING A KEYWAY AT ONE SIDE OF EACH SLOT AND EXTENDING LENGTHWISE OF THE SLOT, A BIT SEAT MEMBER IN EACH SLOT AND SEATED AGAINST SAID ONE SIDE OF EACH SLOT, SAID BIT SEAT MEMBER HAVING A KEYING PROJECTION FITTING IN SAID KEYWAY, SAID BIT SEAT MEMBER HAVING AN END SEAT SPACED FROM SAID ONE SIDE OF THE SLOT FOR A THIN FLAT BIT WITH POLYGONAL SIDES PROVIDING CUTTING EDGES SUCCESSIVELY BROUGHT INTO CUTTING POSITION BY INDEXING THE BIT ABOUT AN AXIS THROUGH AN END FACE OF THE BIT AND SAID BIT SEAT MEMBER FURTHER HAVING AN INTEGRAL PORTION UPSTANDING FROM THE END SEAT AND PROVIDED WITH A SIDE SEAT FOR ENGAGING ONE SIDE OF THE BIT, SAID BODY HAVING IN EACH SLOT A SIDE SEAT FOR ENGAGING ANOTHER SIDE OF THE BIT, MEANS FOR FASTENING THE BIT SEAT MEMBERS IN SAID SLOTS, AND MEANS FOR CLAMPING THE BITS AGAINST THE END SEATS OF THE BIT SEAT
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |