US2582181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireproofing compositions containing water-insoluble phosphorylamides, and articles fireproofed therewith
Assignee: RUDOLF F HLAVATY
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Filing: 1949-03-25
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Granted: 1952-01-08
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Expires: 1969-03-25
Abstract
No abstract record available.
Inventors
- 👤 Truhlar John
- 👤 Athan A Pantsios
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:53
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2672; Y10T442/2689
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A FIRE PROOFING PAINT COMPRISING 20-50% OF THE WATER INSOLUBLE REACTION PRODUCT OF PHOSPHOROUS OXYCHLORIDE WITH ANHYDROUS AMMONIA AND 80-50% OF NORMAL PAINT INGREDIENTS INCLUDING A PIGMENT AND A VEHICLE AND A BINDER.
Claim 2
Dependent Claim
33 words
A FIRE PROOFING PAINT COMPRISING 20-50% OF THE WATER INSOLUBLE REACTION PRODUCT OF PHOSPHOROUS OXYCHLORIDE WITH ANHYDROUS AMMONIA AND 80-50% OF NORMAL PAINT INGREDIENTS INCLUDING A PIGMENT AND A VEHICLE AND A BINDER.
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) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |