US3237233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary brush
Assignee: SMADA CORP
•
Filing: 1964-03-25
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Granted: 1966-03-01
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Expires: 1984-03-25
Abstract
No abstract record available.
Inventors
- 👤 Floyd S Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:04
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A ROTARY BRUSH FOR CLEANING A DRUM SURFACE, COMPRISING (A) A CYLINDRICAL CORE, (B) A PLURALITY OF SPACED STRIPS OF SOFT, DENSE, ANIMAL FUR SECURED ON THE PERIPHERAL SURFACE OF SAID CORE AND EXTENDING HELICALLY ABOUT THE AXIS OF SAID CORE AND, (C) A PLURALITY OF SPACED STRIPS OF TOUGHER, COARSER, SYNTHETIC FIBERS SECURED TO AND COVERING THE REMAINDER OF SAID PERIPHERAL SURFACE BETWEEN AND JUXTAPOSED TO
Claim 2
Dependent Claim
67 words
A ROTARY BRUSH FOR CLEANING A DRUM SURFACE, COMPRISING (A) A CYLINDRICAL CORE, (B) A PLURALITY OF SPACED STRIPS OF SOFT, DENSE, ANIMAL FUR SECURED ON THE PERIPHERAL SURFACE OF SAID CORE AND EXTENDING HELICALLY ABOUT THE AXIS OF SAID CORE AND, (C) A PLURALITY OF SPACED STRIPS OF TOUGHER, COARSER, SYNTHETIC FIBERS SECURED TO AND COVERING THE REMAINDER OF SAID PERIPHERAL SURFACE BETWEEN AND JUXTAPOSED TO
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |