Patent US3687701A successfully refreshed from Google Patents.
US3687701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic release coating
Assignee: United States Department of the Air Force
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Filing: 1970-11-23
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Granted: 1972-08-29
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Expires: 1990-11-23
Abstract
Abstract A PRIME COAT OF THERMOPLASTIC RELEASE MATERIAL IN APPLIED TO THE METALLIC OR THERMOSETTING RESIN SURFACE OF AN AIRPLANE OR RADOME PRIOR TO COATING THE SURFACE WITH AN OUTER COAT OF THERMOSETTING, RESIN-BASED PAINT. THE THUS INTERPOSED THERMOPLASTIC LAYER IS USEFUL IN THAT IT AND THE OUTER, THERMOSETTING RESIN-BASED PAINT MAY BE EASILY REMOVED, AT A LATER TIME, BY THE STEPS OF (A) APPLYING HEAT UNTIL THE THERMOPLASTIC RELEASE MATERIAL SOFTENS AND (B) SCRAPING OR SANDING.
Inventors
- 👤 Theodore J Reinhart Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:06
CPC Classifications
B; B05; B05D; B05D5/00; B05D7/00; B05D7/50; B05D7/52; B05D1/00; B05D1/32; B05D1/322; B05D1/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |