US1038370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for briqueting flue-dust and the article of manufacture produced thereby.
Assignee: Individual
•
Filing: 1911-06-21
•
Granted: 1912-09-10
•
Expires: 1931-06-21
Abstract
No abstract record available.
Inventors
- 👤 Robert Hubner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:21
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24
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) | 1915-09-10 | 1916-03-11 | 1916-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-10 | 1920-03-11 | 1920-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-10 | 1924-03-11 | 1924-09-10 | $7700.00 | Window Closed / Lapsed |