US2628174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing protective clothing
Assignee: Individual
•
Filing: 1943-10-09
•
Granted: 1953-02-10
•
Expires: 1963-10-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Stokes
- 👤 Homer W Carhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:20
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2508; Y10T442/2516
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD OF PREPARING PROTECTIVE CLOTHING WHICH COMPRISES IMPREGNATING THE CLOTHING WITH AN AQUEOUS SOLUTION OF A HETEROCYCLIC IMINE SELECTED FROM THE GROUP CONSISTING OF A 7,8-DIARYL GLYCOLURIL, A 2,5-DIMINO-7,8-DIARYL GLYCOLURIL, A 5,5-DIARYL HYDRANTOIN AND A 2-IMINO-5-5-DIARYL HYDANTOIN AND TREATING THE IMPREGNATED CLOTHING WITH A CHLORINATING AGENT WHILE IT IS WET.
Claim 2
Independent Claim
51 words
A METHOD OF PREPARING PROTECTIVE CLOTHING WHICH COMPRISES IMPREGNATING THE CLOTHING WITH AN AQUEOUS SOLUTION OF A HETEROCYCLIC IMINE SELECTED FROM THE GROUP CONSISTING OF A 7,8-DIARYL GLYCOLURIL, A 2,5-DIMINO-7,8-DIARYL GLYCOLURIL, A 5,5-DIARYL HYDRANTOIN AND A 2-IMINO-5-5-DIARYL HYDANTOIN AND TREATING THE IMPREGNATED CLOTHING WITH A CHLORINATING AGENT WHILE IT IS WET.
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) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |