Patent US1941411A successfully refreshed from Google Patents.
US1068650A
Expired / Lapsed
US
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Solar water-heater.
Assignee: Individual
•
Filing: 1912-01-02
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Granted: 1913-07-29
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Expires: 1932-01-02
Abstract
No abstract record available.
Inventors
- 👤 David A Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:05
CPC Classifications
F; F24; F24S; F24S10/00; F24S10/40; F24S10/45; F24S60/00; F24S60/30; F24S80/00; F24S80/50; F24S2080/501; F24S2080/503; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44
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) | 1916-07-28 | 1917-01-27 | 1917-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-07-28 | 1921-01-27 | 1921-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-07-28 | 1925-01-27 | 1925-07-29 | $7700.00 | Window Closed / Lapsed |