Patent US2471870A successfully refreshed from Google Patents.
US2471870A
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Oil-resistant composition
Assignee: Standard Oil Development Co
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Filing: 1944-11-10
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Granted: 1949-05-31
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Expires: 1964-11-10
Abstract
No abstract record available.
Inventors
- 👤 Philip T Gidley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:01
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08L29/00; C08L29/14; C08K; C08K13/00; C08K13/02; C08K3/00; C08K3/02; C08K3/04; C08K3/34; C08K3/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB405986A
Cited
US2194350A
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US2267530A
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US2330353A
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US2412216A
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US2362961A
Cited
US2383789A
Cited
US2376854A
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US2392589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |