Patent US1277644A successfully refreshed from Google Patents.
US1277644A
Expired / Lapsed
US
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Combination auxiliary air-intake and primer for internal-combustion engines.
Assignee: Individual
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Filing: 1917-05-26
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Granted: 1918-09-03
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Expires: 1937-05-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Read
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:39
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; F15B13/0803; F15B13/0846; F15B13/0857; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7911; Y10T137/8376
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) | 1921-09-02 | 1922-03-04 | 1922-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-09-02 | 1926-03-04 | 1926-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-09-02 | 1930-03-04 | 1930-09-03 | $7700.00 | Window Closed / Lapsed |