Patent JPS5175403A successfully refreshed from Google Patents.
US2883246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-section pump barrel
Assignee: MONARCH ENGINEERING Corp
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Filing: 1955-06-13
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Granted: 1959-04-21
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Expires: 1975-06-13
Abstract
No abstract record available.
Inventors
- 👤 James W Hatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:34
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/16; F04B53/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US300957A
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US998076A
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US1613461A
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US2003488A
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US2037962A
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US2107716A
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US2322587A
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US2374763A
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US2499951A
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FR1097693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |