US3387913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coloring fibers with thiosulfuric acid derivatives of sulfur dyes
Assignee: Lockheed Martin Corp
•
Filing: 1964-05-22
•
Granted: 1968-06-11
•
Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Tigler Leon
- 👤 Charles D Weston
- 👤 Gordon A Geselbracht
- 👤 Laszlo A Meszaros
- 👤 Bank North Carolina National
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/30; D06P1/305; D06P1/38; D06P1/384; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918; Y10S8/92; Y10S8/922; Y10S8/924; Y10S8/933
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |