US2508799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paintbrush and synthetic bristles for the same
Assignee: PPG Industries Inc
•
Filing: 1944-12-28
•
Granted: 1950-05-23
•
Expires: 1964-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph J Reis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:18
CPC Classifications
A; A46; A46D; A46D1/00; A46D1/02; A46D1/0238; D; D01; D01D; D01D5/00; D01D5/253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A BRUSH BRISTLE SUITABLE FOR USE IN PAINT BRUSHES COMPRISING A FILAMENT OF BRISTLE LENGTH AND BEING FORMED OF SYNTHETIC PLASTIC AND BEING TAPERED FROM BUTT TO TIP AND HAVING A BUTT PORTION OF A WIDTH OF 2 TO 3 1/2 TIMES THE THICKNESS AND A LOBATE TIP PORTION OF APPROXIMATELY EQUAL WIDTH AND THICKNESS.
Claim 2
Dependent Claim
55 words
A BRUSH BRISTLE SUITABLE FOR USE IN PAINT BRUSHES COMPRISING A FILAMENT OF BRISTLE LENGTH AND BEING FORMED OF SYNTHETIC PLASTIC AND BEING TAPERED FROM BUTT TO TIP AND HAVING A BUTT PORTION OF A WIDTH OF 2 TO 3 1/2 TIMES THE THICKNESS AND A LOBATE TIP PORTION OF APPROXIMATELY EQUAL WIDTH AND THICKNESS.
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Cited
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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) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |