US3745031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating composition
Assignee: ALBI Manufacturing CORP
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Filing: 1971-09-17
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Granted: 1973-07-10
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Expires: 1991-09-17
Abstract
Abstract AN INSULATING COATING COMPRISING A MAGNESIUM OXYCHLORIDE CEMENT COVERED BY AN INTUMESCENT PAINT IS APPLIED TO STRUCTURAL STEEL TO PROVIDE HEAT AND FIRE INSULATION FOR EXPOSURE PERIODS GREATER THAN TWO HOURS.
Inventors
- 👤 B Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:35
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; C; C04; C04B; C04B28/00; C04B28/30; C04B28/32; C09; C09D; C09D5/00; C09D5/18; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |