Patent US2240617A successfully refreshed from Google Patents.
US908224A
Expired / Lapsed
US
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Valve mechanism for closet-bowls.
Assignee: WILLIAM H RUSSELL
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Filing: 1907-04-15
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Granted: 1908-12-29
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Expires: 1927-04-15
Abstract
No abstract record available.
Inventors
- 👤 Charles M Eckland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:21
CPC Classifications
E; E03; E03D; E03D3/00; E03D3/02; E03D3/04
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) | 1911-12-29 | 1912-06-29 | 1912-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-12-29 | 1916-06-29 | 1916-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-12-29 | 1920-06-29 | 1920-12-29 | $7700.00 | Window Closed / Lapsed |