Patent US3490285A successfully refreshed from Google Patents.
US3490285A
Expired / Lapsed
US
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Convex pulley
Assignee: IHO Holding GmbH and Co KG
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Filing: 1968-08-19
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Granted: 1970-01-20
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Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 Georg Schaeffler
- 👤 Walter Donath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:58
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/44; F16H7/00; F16H7/08; F16H7/10; F16H7/12; F16H2007/0863; F16H2007/0865
Claims Analysis
Total Claims: 0
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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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |