US2853404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heatsealing adhesive sheets or tapes
Assignee: Johnson and Johnson
•
Filing: 1953-08-24
•
Granted: 1958-09-23
•
Expires: 1973-08-24
Abstract
No abstract record available.
Inventors
- 👤 Weinberg Marvin Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:16
CPC Classifications
C; C09; C09J; C09J7/00; C09J7/30; C09J7/35; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2746
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A MENDING SHEET ADAPTED FOR THE REPAIR OF TORN SURFACES BY ADHERENCE THERETO UNDER THE INFLUENCES OF HEAT AND PRESSURE, USING A HEATSEATING TOOL, AND COMPRISING A FLEXIBLE BASE SHEET AND COATING THEREON COMPRISING A HEATSEALING ADHESIVE POLYMER OF VINYL CHLORIDE-VINYL ACETATE COPOLYMER AND FROM ABOUT 5 TO ABOUT 80 PERCENT BY WEIGHT OF THE COATING OF A CRYSTALLINE PLASTICIZER MELTING AT A TEMPERATURE ABOVE THE BOILING POINT OF WATER PRESENT WITHIN THE ADHESIVE POLYMER IN INITALLY DISPERSED FORM, SAID PLASTICIZER HAVING A MELTING POINT BELOW THE SEALING TEMPERATURE OF THE HEAT SELAING TOOL AND ADAPTED TO SOLVATE AND PLASTICIZE SAID ADHESIVE POLYMER AT THE SEALING TEMPERATURE OF THE TOOL.
Claim 2
Dependent Claim
110 words
A MENDING SHEET ADAPTED FOR THE REPAIR OF TORN SURFACES BY ADHERENCE THERETO UNDER THE INFLUENCES OF HEAT AND PRESSURE, USING A HEATSEATING TOOL, AND COMPRISING A FLEXIBLE BASE SHEET AND COATING THEREON COMPRISING A HEATSEALING ADHESIVE POLYMER OF VINYL CHLORIDE-VINYL ACETATE COPOLYMER AND FROM ABOUT 5 TO ABOUT 80 PERCENT BY WEIGHT OF THE COATING OF A CRYSTALLINE PLASTICIZER MELTING AT A TEMPERATURE ABOVE THE BOILING POINT OF WATER PRESENT WITHIN THE ADHESIVE POLYMER IN INITALLY DISPERSED FORM, SAID PLASTICIZER HAVING A MELTING POINT BELOW THE SEALING TEMPERATURE OF THE HEAT SELAING TOOL AND ADAPTED TO SOLVATE AND PLASTICIZE SAID ADHESIVE POLYMER AT THE SEALING TEMPERATURE OF THE TOOL.
References Cited (Backward Citations)
US2101607A
Cited
US2142039A
Cited
US2325963A
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US2462037A
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US2431078A
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US2431745A
Cited
US2462029A
Cited
US2631947A
Cited
US2678284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |