US3186018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brush construction
Assignee: Individual
•
Filing: 1963-05-01
•
Granted: 1965-06-01
•
Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Shaw Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:49
CPC Classifications
A; A46; A46D; A46D1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A BRUSH COMPRISING: A FAMILY OF SYNTHETIC BRUSH FIBERS OF A COMPRESSIVE NATURE WHICH ARE INCREASINGLY SPATULATED ALONG AT LEAST PART OF THEIR LENGTH TO PROVIDE INCREASINGLY SPATULATED PORTIONS, EACH INCREASINGLY SPATULATED PORTION OF EACH INCREASINGLY SPATULATED FIBER HAVING A VARYING CROSS-SECTIONAL SHAPE ALONG THE LENGTH OF THE FIBER AND HAVING A PROGRESSIVELY DECREASING THICKNESS,
Claim 2
Dependent Claim
55 words
A BRUSH COMPRISING: A FAMILY OF SYNTHETIC BRUSH FIBERS OF A COMPRESSIVE NATURE WHICH ARE INCREASINGLY SPATULATED ALONG AT LEAST PART OF THEIR LENGTH TO PROVIDE INCREASINGLY SPATULATED PORTIONS, EACH INCREASINGLY SPATULATED PORTION OF EACH INCREASINGLY SPATULATED FIBER HAVING A VARYING CROSS-SECTIONAL SHAPE ALONG THE LENGTH OF THE FIBER AND HAVING A PROGRESSIVELY DECREASING THICKNESS,
References Cited (Backward Citations)
US420640A
Cited
US2202292A
Cited
US2433325A
Cited
US2417750A
Cited
US2443055A
Cited
US2672640A
Cited
US2917779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |