Patent US2198879A successfully refreshed from Google Patents.
US2198879A
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US
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Liquid dispensing apparatus
Assignee: Wayne Pump Co
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Filing: 1938-05-18
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Granted: 1940-04-30
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Expires: 1958-05-18
Abstract
No abstract record available.
Inventors
- 👤 Frank V Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:46
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/08; G; G01; G01F; G01F15/00; G01F15/07; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19335; Y10T74/1934
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) | 1943-04-30 | 1943-10-30 | 1944-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-30 | 1947-10-30 | 1948-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-30 | 1951-10-30 | 1952-04-30 | $7700.00 | Window Closed / Lapsed |