US980505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for utilizing solar heat.
Assignee: General Electric Co
•
Filing: 1909-06-01
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Granted: 1911-01-03
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Expires: 1929-06-01
Abstract
No abstract record available.
Inventors
- 👤 William L R Emmet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:01
CPC Classifications
F; F24; F24S; F24S25/00; F24S25/70; F24S10/00; F24S10/40; F24S10/45; F24S80/00; F24S80/30; F24S30/00; F24S2030/10; F24S2030/11; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y02E10/47
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) | 1914-01-02 | 1914-07-04 | 1915-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-01-02 | 1918-07-04 | 1919-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-01-02 | 1922-07-04 | 1923-01-03 | $7700.00 | Window Closed / Lapsed |