US3054824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N, n'-diaralkylsalicylidene diaminoalkanes and uses thereof
Assignee: Universal Oil Products Co
•
Filing: 1958-03-17
•
Granted: 1962-09-18
•
Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph T Arrigo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:23
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2283; C10M; C10M1/00; C10M1/08; C11; C11B; C11B5/00; C11B5/0042; C11B5/005; C10M2215/00; C10M2215/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
N,H''-DI-BENZYLSALICYLIDENE AND DIAMINOALKANE CONTAINING FROM 2 TO 6 CARBON ATOMS IN SAID ALKANE RADICAL.
Claim 2
Dependent Claim
14 words
N,H''-DI-BENZYLSALICYLIDENE AND DIAMINOALKANE CONTAINING FROM 2 TO 6 CARBON ATOMS IN SAID ALKANE RADICAL.
References Cited (Backward Citations)
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Cited
US2416042A
Cited
US2813080A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |