US3138897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-sealing shingle
Assignee: Johns Manville Corp
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Filing: 1959-11-06
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Granted: 1964-06-30
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Mccorkle John Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:46
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/26; E04D1/29; E04D2001/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A SELF-SEALING SHINGLE COMPRISING A BAND OF PREDOMINANTLY HEAT SENSITIVE ADHESIVE ADHERING TO A MAJOR FACE OF THE SHINGLE, SAID ADHESIVE HAVING A MINIMUM SOFTENING POINT OF 140*F. AND A PENETRATION AT 77*F., 100 GR., 5 SEC., IN THE RANGE OF 0-35, AND A DISTINCT BAND OF PREDOMINANTLY PRESSURE SENSITIVE ADHESIVE ADJACENT THE FIRST BAND, SAID PRESSURE SENSITIVE ADHESIVE BEING IN TACKY CONDITION AT TEMPERATURES ABOVE 0*F.
Claim 2
Dependent Claim
67 words
A SELF-SEALING SHINGLE COMPRISING A BAND OF PREDOMINANTLY HEAT SENSITIVE ADHESIVE ADHERING TO A MAJOR FACE OF THE SHINGLE, SAID ADHESIVE HAVING A MINIMUM SOFTENING POINT OF 140*F. AND A PENETRATION AT 77*F., 100 GR., 5 SEC., IN THE RANGE OF 0-35, AND A DISTINCT BAND OF PREDOMINANTLY PRESSURE SENSITIVE ADHESIVE ADJACENT THE FIRST BAND, SAID PRESSURE SENSITIVE ADHESIVE BEING IN TACKY CONDITION AT TEMPERATURES ABOVE 0*F.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |