US3074288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive pulley
Assignee: Goodman Manufacturing Co LP
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Filing: 1961-05-09
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Granted: 1963-01-22
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Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 John S Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:27
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/38; B; B65; B65G; B65G23/00; B65G23/02; B65G23/04; B65G39/00; B65G39/02; B65G39/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A DRIVE PULLEY FOR BELT CONVEYORS AND THE LIKE COMPRISING: A CYLINDRICAL SHELL ROTATABLE ABOUT ITS CENTRAL AXIS; AN AXIALLY EXTENDING ANNULAR PORTION FORMED ON EACH END OF SAID SHELL DEFINING AN INWARDLY EXTENDING INNER CYLINDRICAL SURFACE AT EACH END THEREOF; A CIRCULAR SUPPORT MEMBER ENGAGED WITH ONE OF SAID INNER CYLINDRICAL SURFACES; A CIRCULAR DRIVE MEMBER HAVING AN OUTER CYLINDRICAL SURFACE FRICTIONALLY ENGAGED AROUND ITS ENTIRE PERIMETER WITH THE OTHER OF SAID INNER CYLINDRICAL SURFACES; AND A DRIVE SHAFT EXTENDING ALONG THE AXIS OF SAID SHELL SUPPORTING SAID SUPPORT MEMBER AND DRIVINGLY CONNECTED TO SAID DRIVE MEMBER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |