US729149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making artificial-fuel briquets.
Assignee: Individual
•
Filing: —
•
Granted: 1903-05-26
•
Expires: 1920-05-26
Abstract
No abstract record available.
Inventors
- 👤 George Merrihue Fenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:36
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065; B29C; B29C31/00; B29C31/04; B29C31/042; B29C31/048; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906; Y10S100/909
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1906-05-25 | 1906-11-24 | 1907-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-25 | 1910-11-24 | 1911-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-25 | 1914-11-24 | 1915-05-26 | $7700.00 | Window Closed / Lapsed |