US2511004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush material and brushes made therefrom
Assignee: Osborn Manufacturing Corp
•
Filing: 1943-12-13
•
Granted: 1950-06-13
•
Expires: 1963-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ruben O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:53
CPC Classifications
A; A46; A46D; A46D1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A BRUSH ELEMENT COMPRISING A CHANNEL, A RETAINING MEMBER DISPOSED LENGTHWISE THEREOF, AND BRUSH MATERIAL HELD IN SAID CHANNEL BY SAID MEMBER, SAID BRUSH MATERIAL COMPRISING A PLURALITY OF FILAMENTS OF SYNTHETIC FIBER-FORMING MATERIAL DOUBLED ABOUT SAID MEMBER AND PROJECTING BEYOND SAID CHANNEL, THE PROJECTING PORTIONS OF SAID FILAMENTS TAPERING FROM THE DOUBLED POR-
Claim 2
Dependent Claim
54 words
A BRUSH ELEMENT COMPRISING A CHANNEL, A RETAINING MEMBER DISPOSED LENGTHWISE THEREOF, AND BRUSH MATERIAL HELD IN SAID CHANNEL BY SAID MEMBER, SAID BRUSH MATERIAL COMPRISING A PLURALITY OF FILAMENTS OF SYNTHETIC FIBER-FORMING MATERIAL DOUBLED ABOUT SAID MEMBER AND PROJECTING BEYOND SAID CHANNEL, THE PROJECTING PORTIONS OF SAID FILAMENTS TAPERING FROM THE DOUBLED POR-
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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) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |