Patent US5658308A successfully refreshed from Google Patents.
US837526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siphon.
Assignee: Individual
•
Filing: 1905-11-25
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Granted: 1906-12-04
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Expires: 1925-11-25
Abstract
No abstract record available.
Inventors
- 👤 John E Wikgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:14
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/04; B67D1/0456; F; F04; F04F; F04F10/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/2877; Y10T137/2883; 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) | 1909-12-03 | 1910-06-04 | 1910-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-12-03 | 1914-06-04 | 1914-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-12-03 | 1918-06-04 | 1918-12-04 | $7700.00 | Window Closed / Lapsed |