US3343976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface preparation for fluorinated plastics
Assignee: North American Aviation Corp
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Filing: 1964-05-07
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Granted: 1967-09-26
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Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Virgil R Matlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:23
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/16; C08J7/18; C08J2327/00; C08J2327/02; C08J2327/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
A PROCESS FOR BONDING FLUORINATED PLASTIC SURFACES WITH OTHER MATERIALSF COMPRISING THE STEPS OF ABRADING A FLUORINATED PLASTIC SURFACE; CLEANING THE ABRADED SURFACE WITH A SOLVENT; COATING SAID CLEANED SURFACE WITH A THIN, WET, CONSISTENT FILM OF A POLYVINYL CINNAMIC ACID POLYMER; DRYING THE COATED SURFACE; EXPOSING THE DRIED, COATED SURFACE TO ULTRAVIOLET LIGHT FOR A SUITABLE LENGTH OF TIME; AND APPLYING AN ADHESIVE TO THE EXPOSED SURFACE.
References Cited (Backward Citations)
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Cited
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US2809130A
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US3188265A
Cited
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US3188266A
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |