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Patent US1038410A successfully refreshed from Google Patents.
US1038410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater.
Assignee: PLURAL SYSTEM VENTILATOR CO
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Filing: 1910-01-10
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Granted: 1912-09-10
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Expires: 1930-01-10
Abstract
No abstract record available.
Inventors
- 👤 Frank P Mies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:32
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/10; H05B3/16
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) | 1915-09-10 | 1916-03-11 | 1916-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-10 | 1920-03-11 | 1920-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-10 | 1924-03-11 | 1924-09-10 | $7700.00 | Window Closed / Lapsed |