US2351372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner
Assignee: Individual
•
Filing: 1942-08-22
•
Granted: 1944-06-13
•
Expires: 1962-08-22
Abstract
No abstract record available.
Inventors
- 👤 Clay M Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:37
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8292; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87611; Y10T137/87619; Y10T137/87627; Y10T137/87635
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) | 1947-06-13 | 1947-12-13 | 1948-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-13 | 1951-12-13 | 1952-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-13 | 1955-12-13 | 1956-06-13 | $7700.00 | Window Closed / Lapsed |