Patent US1325286A successfully refreshed from Google Patents.
US1325286A
Expired / Lapsed
US
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Gas-engine gas-saver and carbon-decomposer
Assignee: —
•
Filing: —
•
Granted: 1919-12-16
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Expires: 1936-12-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:20
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2362; Y; Y10; Y10S; Y10S261/00; Y10S261/49; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20256; Y10T74/20268; Y10T74/20274; Y10T74/20396; Y10T74/20402; Y10T74/20456
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) | 1922-12-15 | 1923-06-16 | 1923-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-12-15 | 1927-06-16 | 1927-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-12-15 | 1931-06-16 | 1931-12-16 | $7700.00 | Window Closed / Lapsed |