Patent US1070131A successfully refreshed from Google Patents.
US1070131A
Expired / Lapsed
US
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Auxiliary air-supply device for gasolene-engines.
Assignee: Individual
•
Filing: 1911-12-06
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Granted: 1913-08-12
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Expires: 1931-12-06
Abstract
No abstract record available.
Inventors
- 👤 John L Holton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
F; F02; F02M; F02M21/00; Y; Y10; Y10S; Y10S261/00; Y10S261/39; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/88054
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) | 1916-08-11 | 1917-02-10 | 1917-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-08-11 | 1921-02-10 | 1921-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-08-11 | 1925-02-10 | 1925-08-12 | $7700.00 | Window Closed / Lapsed |