Patent US2446390A successfully refreshed from Google Patents.
US3577306A
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Polymer laminate to prevent severe metal petalling damage
Assignee: Goodyear Aerospace Corp
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Filing: 1968-12-30
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Granted: 1971-05-04
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Expires: 1988-12-30
Abstract
Abstract A DUAL LAYER COMPOSITE LAMINATE CONSISTING OF AT LEAST ONE LAYER OF HIGH STRENGTH NYLON CLOTH SATURATED WITH A POLYURETHANE AND CURED TO BE MADE SEMI-FLEXIBLE WITH A URETHANE ELASTOMER PAD BONDED TO ONE SURFACE OF THE LAYER. THE OTHER SURFACE OF THE PAD IS POSITIONED ADJACENT THE INTERNAL SURFACE OF METAL AIRCRAFT SKINS OR OTHER METAL STRUCTURAL MEMBERS TO PREVENT THE INWARD PROTUSION OF THE MATERIAL AROUND A PROJECTILE HOLE THROUGH THE SKIN INTO THE WOUND UPON THE PASSAGE OF THE PROJECTILE THERETHROUGH.
Inventors
- 👤 Ronald E Baker
- 👤 Richard L Cook
- 👤 Edwin C Slagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:01
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04; F41H5/0442; F41H5/0457; B; B62; B62D; B62D29/00; B62D29/04; B64; B64D; B64D37/00; B64D37/02; B64D37/06; Y; Y10; Y10S; Y10S428/00; Y10S428/911; Y10S428/912; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T428/31562; Y10T428/31605; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/3301; Y10T442/3317; Y10T442/3382; Y10T442/3415
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |