US1105556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for preventing back-firing.
Assignee: FRANK E HARTZ
•
Filing: 1913-06-02
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Granted: 1914-07-28
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Expires: 1933-06-02
Abstract
No abstract record available.
Inventors
- 👤 Cyrus E Fouts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:14
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/035; F16K15/036; F16K15/038; F16K17/00; F16K17/36; F16K17/363; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7837; Y10T137/7838; Y10T137/7839
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) | 1917-07-27 | 1918-01-26 | 1918-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-07-27 | 1922-01-26 | 1922-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-07-27 | 1926-01-26 | 1926-07-28 | $7700.00 | Window Closed / Lapsed |