US2473145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of water-soluble thermosetting resins
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1942-10-15
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Granted: 1949-06-14
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Expires: 1962-10-15
Abstract
No abstract record available.
Inventors
- 👤 Robert C Hesselbart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:08
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE19710E
Cited
US1085100A
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US1414139A
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US2190672A
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US2150698A
Cited
US2360376A
Cited
US2400718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |