US3498227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axial plunger pump
Assignee: SANJYO FACTORY SHIMADZU SEISAK
•
Filing: 1968-06-11
•
Granted: 1970-03-03
•
Expires: 1988-06-11
Abstract
No abstract record available.
Inventors
- 👤 Yasuo Kita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:28
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/18; F04B1/141; F04B1/143; F04B1/16; F04B49/00; F04B49/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125034A
Cited
US2286301A
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US2709339A
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US2821932A
Cited
US2842068A
Cited
FR1188441A
Cited
US2990781A
Cited
US3085514A
Cited
US3265008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |