Patent US739489A successfully refreshed from Google Patents.
US739489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siphon.
Assignee: Individual
•
Filing: 1902-03-06
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Granted: 1903-09-22
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Expires: 1922-03-06
Abstract
No abstract record available.
Inventors
- 👤 Charles Horace Gilby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:07
CPC Classifications
F; F04; F04F; F04F10/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/2877; Y10T137/2883; Y10T137/289; Y10T137/2911; Y10T137/2917
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) | 1906-09-21 | 1907-03-23 | 1907-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-09-21 | 1911-03-23 | 1911-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-09-21 | 1915-03-23 | 1915-09-22 | $7700.00 | Window Closed / Lapsed |