US3281882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush type rotary tools and the like
Assignee: Osborn Manufacturing Corp
•
Filing: 1964-02-27
•
Granted: 1966-11-01
•
Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Vernon K Charvat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:21
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
55 words
A NEW ROTARY BRUSH-LIKE PRODUCT COMPRISING A CENTRAL SUPPORT WITH BRISTLE SECURED THERETO AND EXTENDING GENERALLY RADIALLY OUTWARDLY THEREFROM, SAID BRISTLES BEING IN ROTARY DYNAMICALLY ORIENTED RELATIONSHIP INSUBSTANTIALLY TRUE RADIAL POSITIONS WITH SUBSTANTIALLY UNIFORM SPACING THEREBETWEEN, AND A BODY OF PLASTIC MATERIAL BETWEEN SAID BRISTLES MAINTAINING SAID BRISTLES SPACED APART IN THEIR DYNAMICALLY ORIENTED POSITIONS.
References Cited (Backward Citations)
US1038682A
Cited
US2648084A
Cited
US2680335A
Cited
US2785442A
Cited
US3076219A
Cited
DE1006829B
Cited
US2950495A
Cited
US2862806A
Cited
US2995401A
Cited
US2972527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |