US1371671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of briqueting
Assignee: AMERICAN BRIQUET MACHINE Co
•
Filing: 1917-02-14
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Granted: 1921-03-15
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Expires: 1937-02-14
Abstract
No abstract record available.
Inventors
- 👤 Duryea Otho Cromwell
- 👤 White Morris Columbus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:24
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/02; B30B11/027; B30B9/00; B30B9/32; B30B9/327; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/94
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) | 1924-03-14 | 1924-09-13 | 1925-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-03-14 | 1928-09-13 | 1929-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-03-14 | 1932-09-13 | 1933-03-15 | $7700.00 | Window Closed / Lapsed |