US2036849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow controlling unit for gas burners
Assignee: Surface Combustion Corp
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Filing: 1934-06-30
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Granted: 1936-04-07
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Expires: 1954-06-30
Abstract
No abstract record available.
Inventors
- 👤 Nelson T Branche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:40
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/781; Y10T137/7811; Y10T137/8593; Y10T137/87917; Y10T137/88046; Y10T137/88062
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) | 1939-04-07 | 1939-10-07 | 1940-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-07 | 1943-10-07 | 1944-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-07 | 1947-10-07 | 1948-04-07 | $7700.00 | Window Closed / Lapsed |