US2567804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for preventing the accumulation of ice on aircraft surfaces and the like
Assignee: Goodrich Corp
•
Filing: 1945-12-03
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Granted: 1951-09-11
•
Expires: 1965-12-03
Abstract
No abstract record available.
Inventors
- 👤 John M Davies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/16; B64D15/166; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31667; Y10T428/31826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
ICE-COMBATTING MEANS RESISTANT TO THE ADHESION OF ICE UNDER CONDITIONS COMPRISING A FLEXIBLE ELASTIC ELEMENT OF RUBBERY MATERIAL HAVING ON AN EXPOSED SURFACE THEREOF A FOUNDATION FILM DERIVED FROM AN ORGANO-SILICON HALIDE, AND A LAYER COMPRISING SILICONE POLYMER DERIVED FROM A LIQUID POLYMERIC SILICONE COMPOSITION SUPERPOSED ON SAID TREATED SURFACE ADHERENT THERETO AND RESISTANT TO THE ADHESION OF ICE UNDER SAID ICING CONDITIONS.
Claim 2
Dependent Claim
63 words
ICE-COMBATTING MEANS RESISTANT TO THE ADHESION OF ICE UNDER CONDITIONS COMPRISING A FLEXIBLE ELASTIC ELEMENT OF RUBBERY MATERIAL HAVING ON AN EXPOSED SURFACE THEREOF A FOUNDATION FILM DERIVED FROM AN ORGANO-SILICON HALIDE, AND A LAYER COMPRISING SILICONE POLYMER DERIVED FROM A LIQUID POLYMERIC SILICONE COMPOSITION SUPERPOSED ON SAID TREATED SURFACE ADHERENT THERETO AND RESISTANT TO THE ADHESION OF ICE UNDER SAID ICING CONDITIONS.
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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) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |