Patent US705167A successfully refreshed from Google Patents.
US705167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined solar and artificial heat water-heater.
Assignee: Individual
•
Filing: 1898-04-19
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Granted: 1902-07-22
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Expires: 1918-04-19
Abstract
No abstract record available.
Inventors
- 👤 Frank Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:42
CPC Classifications
F; F24; F24S; F24S60/00; F24S60/30; Y; Y02; Y02B; Y02B10/00; Y02B10/20; Y02E; Y02E10/00; Y02E10/40; Y10; Y10S; Y10S159/00; Y10S159/902; Y10S159/903
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) | 1905-07-21 | 1906-01-20 | 1906-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-07-21 | 1910-01-20 | 1910-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-07-21 | 1914-01-20 | 1914-07-22 | $7700.00 | Window Closed / Lapsed |