Patent US1799110A successfully refreshed from Google Patents.
Patent US2478613A successfully refreshed from Google Patents.
US2478613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: Detroit Lubricator Co
•
Filing: 1944-10-06
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Granted: 1949-08-09
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Expires: 1964-10-06
Abstract
No abstract record available.
Inventors
- 👤 Walter H Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:14
CPC Classifications
F; F02; F02M; F02M11/00; F02M11/02; F02M3/00; F02M3/08; F02M3/12; F02M5/00; F02M7/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |