US2699727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner pump
Assignee: STEEL PRODUCTS ENG CO
•
Filing: 1950-10-04
•
Granted: 1955-01-18
•
Expires: 1970-10-04
Abstract
No abstract record available.
Inventors
- 👤 Delmond L Getz
- 👤 Robert O Hedges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:09
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US119482A
Cited
US996984A
Cited
US1012237A
Cited
US1031072A
Cited
US1760699A
Cited
US1817051A
Cited
US1758298A
Cited
US1971601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |