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US1356239A
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Gaseous-fuel generator
Assignee: SOUTHEY GAS PRODUCERS Ltd
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Filing: 1919-12-15
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Granted: 1920-10-19
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Expires: 1939-12-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas Edward William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:35
CPC Classifications
F; F02; F02M; F02M31/00; F02M31/02; F02M31/16; F02M31/163; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1923-10-19 | 1924-04-19 | 1924-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-10-19 | 1928-04-19 | 1928-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-10-19 | 1932-04-19 | 1932-10-19 | $7700.00 | Window Closed / Lapsed |