Patent US3261825A successfully refreshed from Google Patents.
US3261825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azo-disulfide triazine dyestuffs
Assignee: Lockheed Martin Corp
•
Filing: 1963-03-11
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Granted: 1966-07-19
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Lesslie
- 👤 Gordon A Geselbracht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:13
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/04; C09B62/043; C09B43/00; C09B43/12; C09B43/136; C09B43/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2399066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |