US691337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding fine fuel.
Assignee: ATLAS PORTLAND CEMENT Co
•
Filing: 1901-10-21
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Granted: 1902-01-14
•
Expires: 1921-10-21
Abstract
No abstract record available.
Inventors
- 👤 Rolla C Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:34
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/05; F; F27; F27B; F27B7/00; F27B7/20; F27B7/34
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) | 1905-01-13 | 1905-07-15 | 1906-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-01-13 | 1909-07-15 | 1910-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-01-13 | 1913-07-15 | 1914-01-14 | $7700.00 | Window Closed / Lapsed |