Patent US1779154A successfully refreshed from Google Patents.
US1779154A
Expired / Lapsed
US
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The slow feeding of liquid
Assignee: Individual
•
Filing: 1927-05-27
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Granted: 1930-10-21
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Expires: 1947-05-27
Abstract
No abstract record available.
Inventors
- 👤 Merl R Wolfard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:21
CPC Classifications
F; F02; F02M; F02M37/00; F02M37/02; Y; Y10; Y10S; Y10S261/00; Y10S261/35; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7488; Y10T137/7722; Y10T137/7837; Y10T137/7838
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) | 1933-10-20 | 1934-04-21 | 1934-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-10-20 | 1938-04-21 | 1938-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-10-20 | 1942-04-21 | 1942-10-21 | $7700.00 | Window Closed / Lapsed |