Patent US2774306A successfully refreshed from Google Patents.
US2774306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for initiating explosion
Assignee: Individual
•
Filing: 1951-11-06
•
Granted: 1956-12-18
•
Expires: 1971-11-06
Abstract
No abstract record available.
Inventors
- 👤 Norman A Macleod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:49
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/087; F42B3/093; C; C06; C06C; C06C5/00; C06C5/06; Y; Y10; Y10S; Y10S102/00; Y10S102/701
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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |