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US2446984A
Expired / Lapsed
US
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Thermosetting vinyl chloride-containing plastics
Assignee: Wingfoot Corp
•
Filing: 1944-04-21
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Granted: 1948-08-10
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Expires: 1964-04-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas H Rogers
- 👤 Robert D Vickers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:48
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2013941A
Cited
US2148831A
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US2190776A
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US2205654A
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US2245742A
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US2304637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |