Patent US1222809A successfully refreshed from Google Patents.
US1222809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-generator.
Assignee: Individual
•
Filing: 1916-06-16
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Granted: 1917-04-17
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Expires: 1936-06-16
Abstract
No abstract record available.
Inventors
- 👤 Leo Paul Sebille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:34
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B9/73; C25B9/77; C25B9/05; C25B9/60; C25B9/65
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) | 1920-04-16 | 1920-10-16 | 1921-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-04-16 | 1924-10-16 | 1925-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-04-16 | 1928-10-16 | 1929-04-17 | $7700.00 | Window Closed / Lapsed |