Patent US2790734A successfully refreshed from Google Patents.
US2790734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of nylon threads and fabrics to sunlight
Assignee: Sherwin Williams Co
•
Filing: 1954-05-11
•
Granted: 1957-04-30
•
Expires: 1974-05-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Kuhn
- 👤 Frank A Sheldon
- 👤 Silverman Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:53
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/184; D06M13/322; D06M13/35; D06M15/00; D06M15/01; D06M15/17; D06M15/19; D06M15/21; D06M15/227; D06M15/233; D06M15/263; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF INHIBITING LOSS OF TENSILE STRENGTH IN FILAMENTOUS NYLON WHICH COMPRISES COATING A NYLON SURFACE WITH A COPPER SALT OF AN ORGANIC CARBOXYLIC ACID CONTAINING AT LEAST 6 CARBON ATOMS AND CURING THE COATED NYLON SURFACE AT A TEMPERATURE OF FROM ABOUT 250*F. TO ABOUT 500*F. FOR A PERIOD OF TIME UP TO ABOUT 10 MINUTES.
Claim 2
Independent Claim
58 words
THE METHOD OF INHIBITING LOSS OF TENSILE STRENGTH IN FILAMENTOUS NYLON WHICH COMPRISES COATING A NYLON SURFACE WITH A COPPER SALT OF AN ORGANIC CARBOXYLIC ACID CONTAINING AT LEAST 6 CARBON ATOMS AND CURING THE COATED NYLON SURFACE AT A TEMPERATURE OF FROM ABOUT 250*F. TO ABOUT 500*F. FOR A PERIOD OF TIME UP TO ABOUT 10 MINUTES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |