US3071791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of static electrification by use of mixture brushes
Assignee: Eastman Kodak Co
•
Filing: 1961-01-19
•
Granted: 1963-01-08
•
Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Robert G Cunningham
- 👤 Thomas C Whitmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:41
CPC Classifications
A; A46; A46D; A46D1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
38 words
AN ANTISTATIC BRUSH FOR USE IN PACKAGING PHOTOSENSITIVE MATERIALS COMPRISING BRISTLES MADE OF A MIXTURE COMPRISED OF A POLYMER SELECTED FROM THE CLASS CONSISTING OF POLYHEXAMETHYLENE DIAMINE ADIPAMIDE AND POLYCAPROLACTAM AND A COPOLYMER OF VINYLIDENE CHLORIDE AND ACRYLONITRILE.
References Cited (Backward Citations)
CA505769A
Cited
US2665443A
Cited
GB723023A
Cited
US2845648A
Cited
US2851735A
Cited
US2970884A
Cited
DE1055749B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |