US3423258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of gelled blasting agents comprising nitric acids,fuels,and gelling agents
Assignee: Wyeth Holdings LLC
•
Filing: 1966-12-12
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Granted: 1969-01-21
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 George Abraham Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:39
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14; Y; Y10; Y10S; Y10S149/00; Y10S149/118
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3242019A
Cited
US3216872A
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US3296044A
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US3306789A
Cited
US3288658A
Cited
US3361601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |