Patent US1368753A successfully refreshed from Google Patents.
US1368753A
Expired / Lapsed
US
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Process of producing phenolic condensation products
Assignee: Redmanol Chemical Products Co
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Filing: 1918-06-06
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Granted: 1921-02-15
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Expires: 1938-06-06
Abstract
No abstract record available.
Inventors
- 👤 Lawrence V Redman
- 👤 Archie J Weith
- 👤 Frank P Brock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:38
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/24; C08J2361/00; C08J2361/04; C08J2361/06
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) | 1924-02-15 | 1924-08-16 | 1925-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-15 | 1928-08-16 | 1929-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-15 | 1932-08-16 | 1933-02-15 | $7700.00 | Window Closed / Lapsed |