Patent US3256546A successfully refreshed from Google Patents.
US3256546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush belt, especially for rotary brushes
Assignee: Individual
•
Filing: 1963-12-02
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Granted: 1966-06-21
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Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:24
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A FLEXIBLE BELT, ESPECIALLY FOR ROTARY BRUSHING IMPLEMENTS, WHICH INCLUDES: A PLURALITY OF STRIPS EXTENDING IN A DIRECTION TRANSVERSE TO THE LONGITUDINAL DIRECTION OF SAID BELT AND ARRANGED ON ONE SIDE THEREOF, A PLURALITY OF SETS OF TUFTS, ECH OF SAID SETS BEING ANCHORED IN ONE OF SAID STRIPS, AND KNOB MEANS ARRANGED ON THE OTHER SIDE OF SAID BELT AND HAVING EXTENSION MEANS EXTENDING THROUGH SAID BELT AND CONNECTED TO THE RESPECTIVE ADJACENT STRIP, EACH OF SAID STRIPS AND THE KNOB MEANS ADJACENT THERETO AS WELL AS THE RESPECTIVE EXTENSION MEANS PERTAINING THERETO CONSISTING OF ONE SINGLE PIECE OF SOLIDIFIED CASTABLE SYNTHETIC MATERIAL.
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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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |