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US2453085A
Expired / Lapsed
US
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Thiophene-aldehyde synthetic resins
Assignee: ExxonMobil Oil Corp
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Filing: 1947-11-28
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Granted: 1948-11-02
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Expires: 1967-11-28
Abstract
No abstract record available.
Inventors
- 👤 Philip D Caesar
- 👤 Alexander N Sachanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:52
CPC Classifications
C; C08; C08G; C08G16/00; C08G16/02; C08G16/025; C08G16/0275
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) | 1951-11-02 | 1952-05-03 | 1952-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-02 | 1956-05-03 | 1956-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-02 | 1960-05-03 | 1960-11-02 | $7700.00 | Window Closed / Lapsed |