US3050009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Postitive pressure pump
Assignee: LOWRY HYDRAULIC CO
•
Filing: 1960-10-28
•
Granted: 1962-08-21
•
Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Lowry Herman Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:06
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/08; F04C2/12; F04C2/14; F04C2/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US137058A
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US137057A
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US214699A
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US137054A
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US2672824A
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US2672825A
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US2526914A
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US2567699A
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US2657638A
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US2619040A
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US2697402A
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US2681621A
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US2776086A
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US2790394A
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US2776625A
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US2876947A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |