US3208296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt drive device
Assignee: Max Baermann GmbH
•
Filing: 1962-12-28
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Granted: 1965-09-28
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Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Baermann Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/02; F16G; F16G1/00; F16G1/28; F16H55/00; F16H55/32; F16H55/36; F16H55/38; H; H02; H02K; H02K49/00; H02K49/10; H02K49/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN THE COMBINATION OF A PULLEY HAVING A PERIPHERAL SURFACE AND A FLEXIBLE BELT HAVING A SURFACE DRVINGLY ENGAGING SAID PERIPHERAL SURFACE, THE IMPROVEMENT COMPRISING: SAID PULLEY SURFACE BEING FERO-MAGNETIC AND SAID BELT SURFACE HAVING PAIRS OF NORTH AND SOUTH PERMANENT MAGNETIC POLES EXTENDING LATERALLY ACROSS SAID BELT, SAID POLES BEING SPACED FROM EACH OTHER IN A LONGITUDINAL DIRECTION.
Claim 2
Dependent Claim
59 words
IN THE COMBINATION OF A PULLEY HAVING A PERIPHERAL SURFACE AND A FLEXIBLE BELT HAVING A SURFACE DRVINGLY ENGAGING SAID PERIPHERAL SURFACE, THE IMPROVEMENT COMPRISING: SAID PULLEY SURFACE BEING FERO-MAGNETIC AND SAID BELT SURFACE HAVING PAIRS OF NORTH AND SOUTH PERMANENT MAGNETIC POLES EXTENDING LATERALLY ACROSS SAID BELT, SAID POLES BEING SPACED FROM EACH OTHER IN A LONGITUDINAL DIRECTION.
References Cited (Backward Citations)
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Cited
US996933A
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US2722617A
Cited
US2645745A
Cited
US3026587A
Cited
US2959832A
Cited
US2999275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |