Patent US842788A successfully refreshed from Google Patents.
US842788A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar heater.
Assignee: Individual
•
Filing: 1906-09-04
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Granted: 1907-01-29
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Expires: 1926-09-04
Abstract
No abstract record available.
Inventors
- 👤 Fred M Huntoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:51
CPC Classifications
F; F24; F24S; F24S60/00; F24S60/30; Y; Y02; Y02E; Y02E10/00; Y02E10/40
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) | 1910-01-28 | 1910-07-30 | 1911-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-01-28 | 1914-07-30 | 1915-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-01-28 | 1918-07-30 | 1919-01-29 | $7700.00 | Window Closed / Lapsed |