Patent US2522652A successfully refreshed from Google Patents.
US2522652A
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Dispensing pump apparatus
Assignee: CHIPPER EQUIPMENT Co Inc
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Filing: 1945-05-09
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Granted: 1950-09-19
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Expires: 1965-05-09
Abstract
No abstract record available.
Inventors
- 👤 Haase Victor A Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:02
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/58; B67D7/68; B29; B29B; B29B13/00; B29B13/02; B29B13/022; B67D7/62; B67D7/64; B67D7/645; F; F04; F04D; F04D29/00; F04D29/58; F04D29/586; F04D7/00; F04D7/02; F04D7/06; F04D7/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1354757A
Cited
US1953927A
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US2105990A
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US2252254A
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US2354623A
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US2419159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |