Patent US2774701A successfully refreshed from Google Patents.
US2774701A
Expired / Lapsed
US
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Method of bonding rubber to metal and the resulting article
Assignee: RICHARD C WEISS
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Filing: 1956-07-16
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Granted: 1956-12-18
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Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Leonard D Koryta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:51
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/07; C23C22/08; C23C22/12; C23C22/22; C08J2321/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
THE PROCESS COMPRISING TREATING A STEEL OBJECT WITH A SOLUTION COMPRISING ZINC IONS, PHOSPHATE IONS, AND A MODIFIER WHICH INHIBITS THE FORMATION OF CRYSTALLINE ZINC PHOSPHATE, TO FORM AN AMORPHOUS COATING ON THE STEEL WHICH DOES NOT DISPLAY CRYSTALLINE STRUCTURE AT A MAGNIFICATION OF 100 DIAMETERS AND WHICH CONSISTS PRICIPALLY OF ZINC PHOSPHATE, DRYING THE OBJECT, COATING THE OBJECT WITH A RUBBER CEMENT, PLACING THE OBJECT THUS PREPARED INTO A MOLD ALONG WITH RUBBER TO BE APPLIED TO THE OBJECT, HEATING THE RUBBER AND RUBBER CEMENT AT A SUFFICIENTLY HIGH TEMPERATURE TO MELT THE RUBBER AND POLYMERIZE THE RUBBER CEMENT WHEREBY THE RUBBER IS BONDED TO THE OBJECT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |