Patent US2470772A successfully refreshed from Google Patents.
US2470772A
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Method of reducing the adhesion of ice to rubbery surfaces
Assignee: Goodrich Corp
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Filing: 1944-03-11
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Granted: 1949-05-24
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Expires: 1964-03-11
Abstract
No abstract record available.
Inventors
- 👤 Eugene G Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:03
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J2321/00; C08J2483/00; Y; Y10; Y10S; Y10S215/00; Y10S215/02; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31667; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31826; Y10T428/31833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1890286A
Cited
US2258218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |