US2484369A
Expired / Lapsed
US
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Liquid condensation polymers of bis (hydroxyalkyl) sulfides and bis (hydroxyalkyl) polysulfides
Assignee: Shell Development Co
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Filing: 1946-10-08
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Granted: 1949-10-11
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Expires: 1966-10-08
Abstract
No abstract record available.
Inventors
- 👤 Seaver A Ballard
- 👤 Rupert C Morris
- 👤 John L Van Winkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:57
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/34; C10; C10M; C10M1/00; C10M1/08; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2221/00; C10M2221/04; C10M2221/043; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/06; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |