Patent US2742448A successfully refreshed from Google Patents.
US2742448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resin compsotions containing titanate
Assignee: NL Industries Inc
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Filing: 1953-03-03
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Granted: 1956-04-17
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Expires: 1973-03-03
Abstract
No abstract record available.
Inventors
- 👤 Harry H Beacham
- 👤 Kenneth M Merz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:31
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4092; C08G59/50; C08G59/504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A FILM FORMING COMPOSITION COMPRISING AN EPOXY RESIN HAVING THE REPEATING UNIT FORMULA:
Claim 2
Dependent Claim
13 words
A FILM FORMING COMPOSITION COMPRISING AN EPOXY RESIN HAVING THE REPEATING UNIT FORMULA:
References Cited (Backward Citations)
US2512996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |