US1403294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straw-briquetting machine
Assignee: Individual
•
Filing: 1920-11-30
•
Granted: 1922-01-10
•
Expires: 1940-11-30
Abstract
No abstract record available.
Inventors
- 👤 John A Cowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:01
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/40; C10L5/44; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y02E50/30; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906; Y10S100/909
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) | 1925-01-09 | 1925-07-11 | 1926-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-09 | 1929-07-11 | 1930-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-09 | 1933-07-11 | 1934-01-10 | $7700.00 | Window Closed / Lapsed |