Patent US3179531A successfully refreshed from Google Patents.
US3179531A
Expired / Lapsed
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Method of coating a laminated plastic structure
Assignee: Individual
•
Filing: 1961-01-31
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Granted: 1965-04-20
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Expires: 1981-01-31
Abstract
No abstract record available.
Inventors
- 👤 Francis J Koubek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:17
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42; H01Q1/422
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF COATING A LAMINATED PLASTIC STRUCTURE COMPRISING ALTERNATE LAYERS OF GLASS CLOTH AND A HEAT RESISTANT RESIN SELECTED FROM THE GROUP CONSISTING OF POLYESTER RESINS AND PHENOLIC RESINS WHICH COMPRISES: (1) APPLYING REFRACTORY MATERIAL SELECTED FROM THE GROUP CONSISTING OF REFRACTORY OXIDES, CARBIDES AND BORIDES TO THE SURFACE OF THE UNCURED LAMINATE SUCH THAT A PORTION OF SAID MATERIAL PROTRUDES THROUGH THE SURFACE OF SAID LAMINATE;
Claim 2
Independent Claim
68 words
THE METHOD OF COATING A LAMINATED PLASTIC STRUCTURE COMPRISING ALTERNATE LAYERS OF GLASS CLOTH AND A HEAT RESISTANT RESIN SELECTED FROM THE GROUP CONSISTING OF POLYESTER RESINS AND PHENOLIC RESINS WHICH COMPRISES: (1) APPLYING REFRACTORY MATERIAL SELECTED FROM THE GROUP CONSISTING OF REFRACTORY OXIDES, CARBIDES AND BORIDES TO THE SURFACE OF THE UNCURED LAMINATE SUCH THAT A PORTION OF SAID MATERIAL PROTRUDES THROUGH THE SURFACE OF SAID LAMINATE;
References Cited (Backward Citations)
CA557574A
Cited
US682913A
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US1521128A
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US2356513A
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US2895850A
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US2848350A
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US2833681A
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US2864723A
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US2977264A
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US2924537A
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US2907671A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |