Patent US3135794A successfully refreshed from Google Patents.
US3135794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(n, n-dibenzylamino)-2-[n'-(halo-loweralkanoyl)-n'-(substituted)]-loweralkylenediamines
Assignee: STWB Inc
•
Filing: 1960-10-18
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Granted: 1964-06-02
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Expires: 1980-10-18
Abstract
No abstract record available.
Inventors
- 👤 Archer Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:44
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12; A; A61; A61K; A61K31/00; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/14; C07D209/18; C07D241/00; C07D241/02; C07D241/06; C07D241/08; C07D403/00; C07D403/02; C07D403/06; C07D403/12; C07D405/00; C07D405/02; C07D405/12; C07D491/00; C07D491/02; C07D491/04; C07D497/00; C07D497/02; C07D497/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A MEMBER OF THE GROUP CONSISTING OF (A) COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
12 words
A MEMBER OF THE GROUP CONSISTING OF (A) COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
US2826578A
Cited
US2944081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |