US2987570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-tight connector structure for submersible apparatus
Assignee: US Electrical Motors Inc
•
Filing: 1959-02-17
•
Granted: 1961-06-06
•
Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Edward J Bluth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:40
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/22; H02K5/225; H02K5/12; H02K5/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2866109A
Cited
US822293A
Cited
US2091824A
Cited
US2310423A
Cited
US2312652A
Cited
US2463231A
Cited
GB721665A
Cited
US2651672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |