Patent US2422002A successfully refreshed from Google Patents.
US2422002A
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Neutral, highly unsaturated polymeric composition and method for producing same
Assignee: California Research LLC
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Filing: 1944-03-20
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Granted: 1947-06-10
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Expires: 1964-03-20
Abstract
No abstract record available.
Inventors
- 👤 William E Elwell
- 👤 Neal W Furby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:39
CPC Classifications
C; C10; C10G; C10G50/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240081A
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US2253323A
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US2258821A
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US2293208A
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US2217919A
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US2184325A
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US2217918A
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US2354554A
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US2330798A
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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) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |