Patent US3246555A successfully refreshed from Google Patents.
US3246555A
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US
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Tool hub
Assignee: RITE-SIZE MACHINERY Inc
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Filing: 1964-09-28
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Granted: 1966-04-19
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Finlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:20
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2614; B26D7/2621; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9377; Y10T83/9457; Y10T83/9464; Y10T83/9469; Y10T83/9471
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
A TOOL HUB COMPRISING SEPARATE SEMI-CIRCULAR PARTS HAVING THEIR ENDS ADJACENT TO EMBRACE AN ARBOR UPON WHICH THE TOOL IS TO BE POSITIONED, A FIRST OF SAID PARTS HAVING A BORE EXTENDING INWARDLY FROM ITS END SURFACE WITH A THREADED TERMINAL PORTION AND THE SECOND OF SAID PARTS HAVING A BORE, SAID FIRST AND SECOND NAMED BORES BEING IN REGISTER, A BOLT EXTENDING THROUGH SAID BORES HAVING A HEAD ENGAGING SAID PORTIONS ABOUT THE BORE OF THE SECOND OF SAID PARTS AND A THREADED END ENGAGING THE THREADS OF SAID BORE OF THE FIRST PART FOR DRAWING SAID PARTS TOGETHER, THE END SURFACES OF SAID PARTS TOUCHING FROM THE CENTER OF THE BOLT TO THE RADIALLY INNER EDGE OF THE PARTS AND SPACED FROM THE CENTER OF THE BOLT TO THE RADIALLY OUTER EDGE OF THE HUB.
References Cited (Backward Citations)
US1542879A
Cited
US1622265A
Cited
US2216208A
Cited
US2377130A
Cited
US2652297A
Cited
US2666485A
Cited
US3106859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |