US3063891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of adhering a flexible protective sheet to a rigid surface in which a different coating is on the two mating surfaces
Assignee: Seamless Rubber Co
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Filing: 1958-04-21
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Granted: 1962-11-13
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Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 William H Boylan
- 👤 William J O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:42
CPC Classifications
C; C09; C09J; C09J5/00; C09J5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS FOR ADHERING A FLEXIBLE PROTECTIVE SHEET TO A RIGID SURFACE WHICH COMPRISES COATING THE RIGID SURFACE WITH A PRIME COATING COMPRISING A VALCANIZATION INITIATOR AND A CATALYST FOR THE POLYMERIZATION OF PHENOLIC RESIN, COATING THE FLEXIBLE PROTECTIVE SHEET WITH A PRESSURE SENSITIVE ADHESIVE MASS COMPRISING INCOMPLETELY VULCANIZED RUBBER, INCOMPLETELY POLYMERIZED PHENOLIC RESIN AND SULFUR, AND THEN APPLYING THE COATED SHEET TO THE PRIME COATED RIGID SURFACE.
Claim 2
Dependent Claim
68 words
A PROCESS FOR ADHERING A FLEXIBLE PROTECTIVE SHEET TO A RIGID SURFACE WHICH COMPRISES COATING THE RIGID SURFACE WITH A PRIME COATING COMPRISING A VALCANIZATION INITIATOR AND A CATALYST FOR THE POLYMERIZATION OF PHENOLIC RESIN, COATING THE FLEXIBLE PROTECTIVE SHEET WITH A PRESSURE SENSITIVE ADHESIVE MASS COMPRISING INCOMPLETELY VULCANIZED RUBBER, INCOMPLETELY POLYMERIZED PHENOLIC RESIN AND SULFUR, AND THEN APPLYING THE COATED SHEET TO THE PRIME COATED RIGID SURFACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |