US2201077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas burner igniting means
Assignee: CLAUDE V BIRKHEAD
•
Filing: 1938-08-17
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Granted: 1940-05-14
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Expires: 1958-08-17
Abstract
No abstract record available.
Inventors
- 👤 James E Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:11
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/10; F24C3/103; F23; F23D; F23D23/00; F23N; F23N1/00; F23N1/007; H; H01; H01H; H01H3/00; H01H3/02; H01H3/0206; F23D2205/00; Y; Y10; Y10S; Y10S137/00; Y10S137/905; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863; Y10T137/86871
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) | 1943-05-14 | 1943-11-13 | 1944-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-14 | 1947-11-13 | 1948-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-14 | 1951-11-13 | 1952-05-14 | $7700.00 | Window Closed / Lapsed |