Patent US3716825A successfully refreshed from Google Patents.
US2961341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perfluorochloroolefin primer composition, method of coating therewith and article produced thereby
Assignee: 3M Co
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Filing: 1958-04-15
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Granted: 1960-11-22
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Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 Lamar E Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:36
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/251; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN ARTICLE OF MANUFACTURE WHICH CONSISTS ESSENTIALLY OF A METAL SUBTRATE, AN INTERMEDIATE ADHESIVE COATING COMPRISING A FUSED MASS OF 100 PARTS BY WEIGHT OF A SOLID HIGH MOLECULAR WEIGHT CHLOROTRIFLUORETHYLENE POLYMER SELECTED FROM THE GROUP CONSISTING OF THE THE HOMOPOLYMER THEREOF AND THE COPOLYMER THEREOF WITH VINYIDENE FLOURIDE, BETWEEN ABOUT 1 AND ABOUT 40 PARTS BY WIEGHT OF A LOW MOLECULAR WEIGHT POLYMER OF CHLOROTRIFLUOROETHYLENE AND BETWEEN ABOUT 5 PARTS BY WEIGHT AND ABOUT 60 PARTS BY WEIGHT OF A COBALT OXIDE AND AN OUTER PROTECTIBE COATING COMPRISING A POLYMER OF CHLOROTRIFLUOROETHYLENE.
Claim 2
Dependent Claim
93 words
AN ARTICLE OF MANUFACTURE WHICH CONSISTS ESSENTIALLY OF A METAL SUBTRATE, AN INTERMEDIATE ADHESIVE COATING COMPRISING A FUSED MASS OF 100 PARTS BY WEIGHT OF A SOLID HIGH MOLECULAR WEIGHT CHLOROTRIFLUORETHYLENE POLYMER SELECTED FROM THE GROUP CONSISTING OF THE THE HOMOPOLYMER THEREOF AND THE COPOLYMER THEREOF WITH VINYIDENE FLOURIDE, BETWEEN ABOUT 1 AND ABOUT 40 PARTS BY WIEGHT OF A LOW MOLECULAR WEIGHT POLYMER OF CHLOROTRIFLUOROETHYLENE AND BETWEEN ABOUT 5 PARTS BY WEIGHT AND ABOUT 60 PARTS BY WEIGHT OF A COBALT OXIDE AND AN OUTER PROTECTIBE COATING COMPRISING A POLYMER OF CHLOROTRIFLUOROETHYLENE.
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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |