US2529942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel feed control for oil burners
Assignee: Vapor Heating Corp
•
Filing: 1946-02-28
•
Granted: 1950-11-14
•
Expires: 1966-02-28
Abstract
No abstract record available.
Inventors
- 👤 Harry B Holthouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:11
CPC Classifications
F; F23; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/16; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7303
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1363868A
Cited
US1656109A
Cited
US857808A
Cited
US1267760A
Cited
US1733792A
Cited
US1393280A
Cited
US1665145A
Cited
US1583238A
Cited
US1781174A
Cited
US2020778A
Cited
FR808165A
Cited
US2314288A
Cited
US2367038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |