US3434796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver nitrate stain removal composition and method for using same
Assignee: US Borax Inc
•
Filing: 1966-02-11
•
Granted: 1969-03-25
•
Expires: 1986-02-11
Abstract
No abstract record available.
Inventors
- 👤 Francesco Colombo
- 👤 Edward V Babcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:48
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/22; C11D7/34; C11D3/00; C11D3/39; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3102808A
Cited
US3051603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |