Patent US2335608A successfully refreshed from Google Patents.
US2335608A
Expired / Lapsed
US
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Product and process
Assignee: EIDP Inc
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Filing: 1939-06-12
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Granted: 1943-11-30
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Expires: 1959-06-12
Abstract
No abstract record available.
Inventors
- 👤 Pings Wilbur Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:39
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/005; C10M107/00; C10M2205/00; C10M2205/04; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/10; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/04; C10M2221/00; C10M2221/02; C10M2225/00; C10M2225/02; C10N; C10N2040/00; C10N2040/06; C10N2040/20; C10N2040/22; C10N2040/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-11-29 | 1947-05-31 | 1947-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-29 | 1951-05-31 | 1951-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-29 | 1955-05-31 | 1955-11-30 | $7700.00 | Window Closed / Lapsed |