Patent US1481361A successfully refreshed from Google Patents.
US1481361A
Expired / Lapsed
US
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Secondary charge for compound detonators
Assignee: Atlas Powder Co
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Filing: 1923-03-01
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Granted: 1924-01-22
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Expires: 1943-03-01
Abstract
No abstract record available.
Inventors
- 👤 Grotta Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-01-21 | 1927-07-23 | 1928-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-01-21 | 1931-07-23 | 1932-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-01-21 | 1935-07-23 | 1936-01-22 | $7700.00 | Window Closed / Lapsed |