US3432704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submergible apparatus motor drive
Assignee: Individual
•
Filing: 1966-08-04
•
Granted: 1969-03-11
•
Expires: 1986-08-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128; H02K5/1285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2002907A
Cited
US1879625A
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US1842457A
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US2020513A
Cited
US2361854A
Cited
US2556435A
Cited
US2887062A
Cited
US3241492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |