Patent US1336592A successfully refreshed from Google Patents.
US1336592A
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Attachment for internal-combustion engines
Assignee: EDWARD E CLEMENT
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Filing: 1917-01-18
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Granted: 1920-04-13
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Expires: 1937-01-18
Abstract
No abstract record available.
Inventors
- 👤 William H Sibbald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:17
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4321; Y; Y10; Y10S; Y10S55/00; Y10S55/28
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) | 1923-04-13 | 1923-10-13 | 1924-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-04-13 | 1927-10-13 | 1928-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-04-13 | 1931-10-13 | 1932-04-13 | $7700.00 | Window Closed / Lapsed |