US3336153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-retardant tape utilizing an intumescent coating
Assignee: Prototech Inc
•
Filing: 1963-05-22
•
Granted: 1967-08-15
•
Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Juda Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:47
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/34; C; C09; C09J; C09J7/00; C09J7/20; C09J7/21; D21H19/00; D21H19/10; D21H3/00; D21H3/82; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; E04B1/941; C09J2400/00; C09J2400/20; C09J2400/28; C09J2400/283; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A FIRE-RETARDANT TAPE FOR APPLICATION TO A HEAT-SENSITIVE SURFACE-TO-BE-PROTECTED, CONSISTING ESSENTIALLY OF A BACKING MATERIAL FROM SUBSTANTIALLY 0.5 TO 50 MILS IN THICKNESS, CAPABLE OF CHARRING BUT INFUSIBLE AND DIMENSIONALLY STABLE BELOW THE CHARRING TEMPERATURE, A SUBSTANTIALLY UNIFORM INTUMESCENT COATING OF FROM SUBSTANTIALLY 1 TO 30 MILS IN THICKNESS, BONDED UPON ONE SURFACE OF THE BACKING MATERIAL, THE COATING HAVING AN INCIPIENT INTUMESCING TEMPERATURE BELOW THE SAID CHARRING TEMPERATURE, AND AN ADHESIVE DISPOSED UPON THE OTHER SURFACE OF THE BACKING MATERIAL, THE ADHESIVE BEING TEMPERATURESTABLE AT LEAST UP TO THE SAID INCIPIENT INTUMESCING TEMPERATURE AND ADAPTED TO AFFIX THE TAPE TO SAID SURFACE-TOBE-PROTECTED.
Claim 2
Dependent Claim
103 words
A FIRE-RETARDANT TAPE FOR APPLICATION TO A HEAT-SENSITIVE SURFACE-TO-BE-PROTECTED, CONSISTING ESSENTIALLY OF A BACKING MATERIAL FROM SUBSTANTIALLY 0.5 TO 50 MILS IN THICKNESS, CAPABLE OF CHARRING BUT INFUSIBLE AND DIMENSIONALLY STABLE BELOW THE CHARRING TEMPERATURE, A SUBSTANTIALLY UNIFORM INTUMESCENT COATING OF FROM SUBSTANTIALLY 1 TO 30 MILS IN THICKNESS, BONDED UPON ONE SURFACE OF THE BACKING MATERIAL, THE COATING HAVING AN INCIPIENT INTUMESCING TEMPERATURE BELOW THE SAID CHARRING TEMPERATURE, AND AN ADHESIVE DISPOSED UPON THE OTHER SURFACE OF THE BACKING MATERIAL, THE ADHESIVE BEING TEMPERATURESTABLE AT LEAST UP TO THE SAID INCIPIENT INTUMESCING TEMPERATURE AND ADAPTED TO AFFIX THE TAPE TO SAID SURFACE-TOBE-PROTECTED.
References Cited (Backward Citations)
US2628946A
Cited
US2650206A
Cited
US2648641A
Cited
US2725981A
Cited
US2984640A
Cited
US2912394A
Cited
US3037951A
Cited
US3212925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |