US919366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating system.
Assignee: General Electric Co
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Filing: 1908-07-02
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Granted: 1909-04-27
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Expires: 1928-07-02
Abstract
No abstract record available.
Inventors
- 👤 Hermann Lemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:07
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; F24H1/105
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) | 1912-04-26 | 1912-10-26 | 1913-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-04-26 | 1916-10-26 | 1917-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-04-26 | 1920-10-26 | 1921-04-27 | $7700.00 | Window Closed / Lapsed |