Patent US1550480A successfully refreshed from Google Patents.
US1550480A
Expired / Lapsed
US
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Liquid-fuel regulator
Assignee: Individual
•
Filing: 1924-10-17
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Granted: 1925-08-18
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Expires: 1944-10-17
Abstract
No abstract record available.
Inventors
- 👤 Jr William P Woelke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:09
CPC Classifications
F; F02; F02B; F02B1/00; F02M; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/438; F02M2700/4383; F02M2700/4385; Y; Y10; Y10S; Y10S220/00; Y10S220/32; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791
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) | 1928-08-17 | 1929-02-16 | 1929-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-08-17 | 1933-02-16 | 1933-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-08-17 | 1937-02-16 | 1937-08-18 | $7700.00 | Window Closed / Lapsed |