Patent US3392674A successfully refreshed from Google Patents.
US3392674A
Expired / Lapsed
US
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Pump with piston and diaphragm
Assignee: Individual
•
Filing: 1966-10-28
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Granted: 1968-07-16
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Paul W Schlosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:47
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/12; F04B53/123; F04B43/00; F04B43/02; F04B43/06; F04B43/067; F04B53/1002; F04B53/101; F04B53/16; F04B53/162; F04B53/164
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US581469A
Cited
US2303597A
Cited
US2792790A
Cited
US3052188A
Cited
US3207081A
Cited
US3318250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |