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US1306391A
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Assignee: Individual
•
Filing: 1918-02-09
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Granted: 1919-06-10
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Expires: 1938-02-09
Abstract
No abstract record available.
Inventors
- 👤 Hippolyte Romanoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:26
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/1401; F16K15/148; F16K15/02; F16K15/03; F16K15/031; F16K15/035; F16K15/036; F16K15/038; F16K15/1402; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784; Y10T137/7843; Y10T137/7898
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) | 1922-06-09 | 1922-12-09 | 1923-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-06-09 | 1926-12-09 | 1927-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-06-09 | 1930-12-09 | 1931-06-10 | $7700.00 | Window Closed / Lapsed |