US1162363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heater.
Assignee: INGERSOLL ELECTRIC VAPORIZOR CO
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Filing: 1915-04-30
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Granted: 1915-11-30
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Expires: 1935-04-30
Abstract
No abstract record available.
Inventors
- 👤 Homer H Ingersoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:41
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342
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) | 1918-11-29 | 1919-05-31 | 1919-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-29 | 1923-05-31 | 1923-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-29 | 1927-05-31 | 1927-11-30 | $7700.00 | Window Closed / Lapsed |