Patent US3307418A successfully refreshed from Google Patents.
US3307418A
Expired / Lapsed
US
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Clampable precision hub
Assignee: Fairchild Semiconductor Corp
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Filing: 1965-02-26
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Granted: 1967-03-07
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Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Sanford I Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:03
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0852; F16D1/0864; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7041; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7058; Y10T74/00; Y10T74/19; Y10T74/1987
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
A PRECISION GEAR CLAMPABLE IN ANY DESIRED ANGULAR POSITION ON A SUPPORTING SHAFT COMPRISING: A GEAR BODY INCLUDING AN INTEGRAL HUB AND HAVING A BORE THEREIN; A RADIAL FIRST SLOT EXTENDING THROUGH A SUBSTANTIAL PORTION OF SAID HUB ADJACENT THE GEAR THEREOF; A SECOND SLOT EXTENDING THROUGH A SUBSTANTIAL PORTION OF SAID HUB IN A PLANE INCLINED INWARDLY TOWARD AND AT AN ACUTE ANGLE TO SAID RADIAL SLOT AND INTERSECTING IT AT ONLY ONE SIDE OF SAID HUB; AND MEANS FOR DRAWING TOGETHER PORTIONS OF SAID HUB ON OPPOSITE SIDES OF SAID INCLINED SLOT IN THE VICINITY OF ITS INTERSECTION WITH SAID RADIAL SLOT TO CLAMP SAID GEAR ON A SUPPORTING SHAFT.
References Cited (Backward Citations)
GB918875A
Cited
US3139296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |