US1274578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siphon.
Assignee: Individual
•
Filing: 1917-03-08
•
Granted: 1918-08-06
•
Expires: 1937-03-08
Abstract
No abstract record available.
Inventors
- 👤 George Robert Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:41
CPC Classifications
F; F04; F04F; F04F10/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/272; Y10T137/2747; Y10T137/2842; Y10T137/2849; Y10T137/4456; Y10T137/4463; Y10T137/4576; Y10T137/4606
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) | 1921-08-05 | 1922-02-04 | 1922-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-08-05 | 1926-02-04 | 1926-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-08-05 | 1930-02-04 | 1930-08-06 | $7700.00 | Window Closed / Lapsed |