US2188212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor burner
Assignee: Individual
•
Filing: 1936-12-28
•
Granted: 1940-01-23
•
Expires: 1956-12-28
Abstract
No abstract record available.
Inventors
- 👤 Wernli Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:53
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D11/00; F23D11/36; F23D11/44; F23D11/441; F23D11/443; F23C2700/00; F23C2700/02; F23C2700/026
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) | 1943-01-22 | 1943-07-24 | 1944-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-22 | 1947-07-24 | 1948-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-22 | 1951-07-24 | 1952-01-23 | $7700.00 | Window Closed / Lapsed |