Patent US2280388A successfully refreshed from Google Patents.
US1120118A
Expired / Lapsed
US
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Auxiliary air-inlet device for internal-combustion engines.
Assignee: Individual
•
Filing: 1913-11-19
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Granted: 1914-12-08
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Expires: 1933-11-19
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Ashlock
- 👤 Henry H Ashlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:01
CPC Classifications
F; F02; F02M; F02M21/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6579; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7936; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86734; Y10T137/86815; Y10T137/86823; Y10T137/86831
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) | 1917-12-07 | 1918-06-08 | 1918-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-12-07 | 1922-06-08 | 1922-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-12-07 | 1926-06-08 | 1926-12-08 | $7700.00 | Window Closed / Lapsed |