US2549050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust preventive film
Assignee: United Shoe Machinery Corp
•
Filing: 1947-03-22
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Granted: 1951-04-17
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Expires: 1967-03-22
Abstract
No abstract record available.
Inventors
- 👤 John J Brophy
- 👤 Bernard M Pineles
- 👤 Robert C Putnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:00
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/20; C09D127/00; C09D127/02; C09D127/04; C09D127/06; Y; Y10; Y10S; Y10S206/00; Y10S206/819
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
A LIQUID, FREELY FLOWING COMPOSITION COMPRISING FROM 4 TO 6 PARTS BY WEIGHT OF A NONCORROSIVE, NON-DRYING HYDROCARBON OIL, 15 PARTS BY WEIGHT OF A WATER-INSOLUBLE, FILM-FORMING COLLOID FROM THE GROUP CONSISTING OF CELLULOSE EHTERS, CELLULOSE ESTERS AND COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE CONTAINING AT LEAST 85% OF VINYL CHLORIDE, AND FROM 2.5 TO 8 PARTS BY WEIGHT OF GLYCERYL MONOLAURATE, ALL DISSOLVED IN A VOLATILE ORANIC SOLVENT.
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) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |