US782214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable endless grate.
Assignee: WF and John Barnes Co
•
Filing: 1903-10-30
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Granted: 1905-02-14
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Expires: 1923-10-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
F; F23; F23H; F23H11/00
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) | 1908-02-14 | 1908-08-15 | 1909-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-02-14 | 1912-08-15 | 1913-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-02-14 | 1916-08-15 | 1917-02-14 | $7700.00 | Window Closed / Lapsed |