US2438823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical igniter for pot-type liquid fuel burners
Assignee: Perfection Stove Co
•
Filing: 1943-12-16
•
Granted: 1948-03-30
•
Expires: 1963-12-16
Abstract
No abstract record available.
Inventors
- 👤 Resek Marc
- 👤 Theodore B Focke
- 👤 Joseph R Kirkpatrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:14
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/06; F23Q7/08
Claims Analysis
Total Claims: 0
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US2192389A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |