Patent US3375759A successfully refreshed from Google Patents.
US3375759A
Expired / Lapsed
US
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Rolling-diaphragm pump
Assignee: Bourns Inc
•
Filing: 1966-05-18
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Granted: 1968-04-02
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 James V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:17
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE14235C
Cited
US3118389A
Cited
FR1053207A
Cited
US2721579A
Cited
US2950739A
Cited
US3158152A
Cited
FR1330164A
Cited
US3185041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |