US1542823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for forming an explosive mixture
Assignee: International Motor Co
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Filing: 1922-05-01
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Granted: 1925-06-23
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Expires: 1942-05-01
Abstract
No abstract record available.
Inventors
- 👤 Keith R Manville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:47
CPC Classifications
F; F02; F02M; F02M21/00; F02M2700/00; F02M2700/12
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) | 1928-06-22 | 1928-12-22 | 1929-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-06-22 | 1932-12-22 | 1933-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-06-22 | 1936-12-22 | 1937-06-23 | $7700.00 | Window Closed / Lapsed |