Patent US2436711A successfully refreshed from Google Patents.
US2436711A
Expired / Lapsed
US
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Preparation of vinyl chloride
Assignee: Goodrich Corp
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Filing: 1944-11-09
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Granted: 1948-02-24
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Expires: 1964-11-09
Abstract
No abstract record available.
Inventors
- 👤 James A Bralley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:32
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/07; C07C17/08; B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/122; B01J2231/00; B01J2231/30; B01J2231/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2225635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |