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Patent US2752934A successfully refreshed from Google Patents.
US2752934A
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Liquid supply system
Assignee: Individual
•
Filing: 1951-03-30
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Granted: 1956-07-03
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Expires: 1971-03-30
Abstract
No abstract record available.
Inventors
- 👤 Henry W Badberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:31
CPC Classifications
A; A62; A62C; A62C25/00; A62C25/005; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1357982A
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US1174307A
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US1365359A
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US1816417A
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US1617095A
Cited
US2164153A
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US2393464A
Cited
US2543941A
Cited
US2577457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-03 | 1960-01-02 | 1960-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-03 | 1964-01-02 | 1964-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-03 | 1968-01-02 | 1968-07-03 | $7700.00 | Window Closed / Lapsed |