Patent US3146142A successfully refreshed from Google Patents.
US3146142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint adhesives
Assignee: Union Oil Company of California
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Filing: 1960-06-07
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Granted: 1964-08-25
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Expires: 1980-06-07
Abstract
No abstract record available.
Inventors
- 👤 George P Maly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:14
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/06; F16B39/00; F16B39/22; F16B39/225; Y; Y10; Y10S; Y10S285/00; Y10S285/915; Y10S411/00; Y10S411/924; Y10S411/947; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T403/00; Y10T403/47; Y10T403/472; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
THE METHOD OF FORMING A RESIN BOND OF CONTROLLED STRENGTH BETWEEN MATING SURFACES OF COUPLING MEMBERS WHICH COMPRISES; COATING AT LEAST ONE OF SAID SURFACES WITH A PARTING AGENT AND CONTROLLING THE EXTENT OF COATING OF SAID PARTING AGENT SO AS TO EFFECT AN INCOMPLETE COATING OF SAID SURFACE BY CONTROLLING THE AMOUNT OF SAID PARTING AGENT TO AN AMOUNT SUFFICIENT TO CAUSE A DECREASE IN THE STRENGTH OF SAID RESIN BOND BUT IN AN AMOUNT LESS THAN THE TRANSITIONAL AMOUNT BEYOND WHICH AN INCREASE IN AMOUNT OF SAID PARTING AGENT CAUSES NO CORRESPONDING DECREASE IN BOND STRENGTH, THEREAFTER APPLYING A RESINOUS CEMENT SELECTED FROM THE CLASS CONSISTING OF POLYVINYL, POLYACRYLIC, UREA-FORMALDEHYDE, PHENOLIC AND EPOXIDE CEMENTS TO SAID SURFACES, MATING SAID SURFACES AND THEREAFTER HARDENING SAID RESINOUS CEMENT TO FORM SAID BOND BETWEEN SAID MATING SURFACES.
Claim 2
Independent Claim
136 words
THE METHOD OF FORMING A RESIN BOND OF CONTROLLED STRENGTH BETWEEN MATING SURFACES OF COUPLING MEMBERS WHICH COMPRISES; COATING AT LEAST ONE OF SAID SURFACES WITH A PARTING AGENT AND CONTROLLING THE EXTENT OF COATING OF SAID PARTING AGENT SO AS TO EFFECT AN INCOMPLETE COATING OF SAID SURFACE BY CONTROLLING THE AMOUNT OF SAID PARTING AGENT TO AN AMOUNT SUFFICIENT TO CAUSE A DECREASE IN THE STRENGTH OF SAID RESIN BOND BUT IN AN AMOUNT LESS THAN THE TRANSITIONAL AMOUNT BEYOND WHICH AN INCREASE IN AMOUNT OF SAID PARTING AGENT CAUSES NO CORRESPONDING DECREASE IN BOND STRENGTH, THEREAFTER APPLYING A RESINOUS CEMENT SELECTED FROM THE CLASS CONSISTING OF POLYVINYL, POLYACRYLIC, UREA-FORMALDEHYDE, PHENOLIC AND EPOXIDE CEMENTS TO SAID SURFACES, MATING SAID SURFACES AND THEREAFTER HARDENING SAID RESINOUS CEMENT TO FORM SAID BOND BETWEEN SAID MATING SURFACES.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |