Patent US4439763A successfully refreshed from Google Patents.
US870000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-closet.
Assignee: Individual
•
Filing: 1904-10-17
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Granted: 1907-11-05
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Expires: 1924-10-17
Abstract
No abstract record available.
Inventors
- 👤 Earl G Watrous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:01
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/02; E03D5/08
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) | 1910-11-04 | 1911-05-06 | 1911-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-11-04 | 1915-05-06 | 1915-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-11-04 | 1919-05-06 | 1919-11-05 | $7700.00 | Window Closed / Lapsed |