US3105988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush construction
Assignee: Osborn Manufacturing Corp
•
Filing: 1960-08-01
•
Granted: 1963-10-08
•
Expires: 1980-08-01
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:46
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/003
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
A ROTARY BRUSHING TOOL INCLUDING RESILIENTLY FLEXIBLE HARD WIRE BRUSH BRISTLES, THE OUTER ENDS OF SAID BRISTLES BEING SPACED APART; AND A MATRIX OF RESILIENT HIGH DAMPING CAPACITY PLASTIC MATERIAL EMBEDDING AND JOINING SAID BRISTLES YIELDINGLY TO HOLD THE OUTER END PORTIONS OF THE SAME IN SUCH SPACED APART RELATIONSHIP; SAID PLASTIC MATERIAL BEING CAPABLE UNDER NORMAL OPERATING CONDITIONS OF YIELDING RESILIENTLY TO A LIMITED EXTENT ONLY TO ENSURE THAT THROUGHOUT THE USEFUL LIFE OF THE BRUSH THE RAPIDLY REPEATED DEFLECTIONS OF THE HARD BRISTLES ARE INSUFFICIENT TO STRESS AND FATIGUE SUCH BRISTLES TO AN EXTENT TO CAUSE LONG FRACTURE THEREOF WHILE AT THE SAME TIME CUSHIONING IMPACT WITH THE WORK TO PREVENT FRACTURE OF THE PROTRUDING BRISTLES END PORTION WHERE IT EMERGES FROM SUCH SUPPORTING MATRIX; SAID PLASTIC MATERIAL BEING SELECTED OF AN ABRASION RESISTANCE SUBSTANTIALLY LESS THAN THAT OF SAID
References Cited (Backward Citations)
US634617A
Cited
US2129279A
Cited
US2232289A
Cited
US2345422A
Cited
US2648084A
Cited
US2740148A
Cited
US2739332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |