US2591626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gas igniter tube for burners
Assignee: Peabody Engineering Corp
•
Filing: 1948-12-17
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Granted: 1952-04-01
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Expires: 1968-12-17
Abstract
No abstract record available.
Inventors
- 👤 Stephen A Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:14
CPC Classifications
F; F23; F23Q; F23Q3/00; F23Q9/00; F23Q9/02; F23Q9/04; F23Q9/045; H; H01; H01H; H01H3/00; H01H3/02; H01H3/0206; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2332210A
Cited
US1810957A
Cited
US2152531A
Cited
US2212875A
Cited
US2276751A
Cited
US2510482A
Cited
US2460016A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |