Patent US2518340A successfully refreshed from Google Patents.
Patent US3450582A successfully refreshed from Google Patents.
US3450582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous ammonium nitrate blasting composition containing solid carbonaceous fuel and method of preparing same
Assignee: HAROLD W SHEERAN
•
Filing: 1967-12-18
•
Granted: 1969-06-17
•
Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Harold W Sheeran
- 👤 Marcel H Oriard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:29
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3103457A
Cited
US3279965A
Cited
US3111437A
Cited
US3161551A
Cited
US3166450A
Cited
US3212944A
Cited
US3150019A
Cited
US3244568A
Cited
US3180768A
Cited
US3305414A
Cited
US3240641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |