US2703582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner control valve responsive to change in the position of the burner
Assignee: Individual
•
Filing: 1949-12-16
•
Granted: 1955-03-08
•
Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Stepanian John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:30
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/36; F16K17/366; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0923; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7848; Y10T137/7849; Y10T137/8593; Y10T137/87265; Y10T137/87539; Y10T137/87555
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US763876A
Cited
US788118A
Cited
US825694A
Cited
US873644A
Cited
US944416A
Cited
US1463103A
Cited
US1552860A
Cited
US1788358A
Cited
US1695848A
Cited
CH115905A
Cited
US1923384A
Cited
GB400871A
Cited
US2215044A
Cited
US2516523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |