US1192153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible electric heater.
Assignee: Simplex Electric Heating Co
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Filing: 1913-08-14
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Granted: 1916-07-25
•
Expires: 1933-08-14
Abstract
No abstract record available.
Inventors
- 👤 James I Ayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:51
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0227; H05B1/0252; H05B1/0272; H05B2203/00; H05B2203/017
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) | 1919-07-25 | 1920-01-24 | 1920-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-07-25 | 1924-01-24 | 1924-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-07-25 | 1928-01-24 | 1928-07-25 | $7700.00 | Window Closed / Lapsed |