US2773852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of anti-static plastics
Assignee: Dictaphone Corp
•
Filing: 1953-03-05
•
Granted: 1956-12-11
•
Expires: 1973-03-05
Abstract
No abstract record available.
Inventors
- 👤 Richard G Rowe
- 👤 Jr Guiles Flower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:20
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AN ANTI-STATIC PLASTIC ADAPTED TO BE USED IN THE PRODUCTION OF PHONOGRAPH RECORDS, SAID PLASTIC BEING ESSENTIALLY COMPOSED OF A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE AND CONTAINING FROM 2% TO 10% BY WEIGHT OF A MONO-ALKANOL AMIDE OF A STRAIGHT-CHAIN MONOCARBOXYLIC HYDROXY ACID AS AN ANTI-STATIC AGENT.
Claim 2
Dependent Claim
49 words
AN ANTI-STATIC PLASTIC ADAPTED TO BE USED IN THE PRODUCTION OF PHONOGRAPH RECORDS, SAID PLASTIC BEING ESSENTIALLY COMPOSED OF A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE AND CONTAINING FROM 2% TO 10% BY WEIGHT OF A MONO-ALKANOL AMIDE OF A STRAIGHT-CHAIN MONOCARBOXYLIC HYDROXY ACID AS AN ANTI-STATIC AGENT.
References Cited (Backward Citations)
US1986854A
Cited
US2250664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |