Patent US3520642A successfully refreshed from Google Patents.
US3520642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor driven pump
Assignee: PROCESS IND Inc
•
Filing: 1968-10-29
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Granted: 1970-07-14
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Expires: 1988-10-29
Abstract
No abstract record available.
Inventors
- 👤 Garland L Fulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:17
CPC Classifications
H; H02; H02K; H02K49/00; F; F04; F04D; F04D13/00; F04D13/02; F04D13/021; F04D13/024; F04D13/027; F04D13/06; F04D13/0606; F04D13/0633
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2444687A
Cited
US3144573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |