US2800374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil pad retainer connection to an electric motor shell casing
Assignee: Howard Industries Inc
•
Filing: 1954-03-18
•
Granted: 1957-07-23
•
Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ernst W Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:45
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/15; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1532891A
Cited
CH170206A
Cited
US2160598A
Cited
US2316693A
Cited
US2192434A
Cited
US2233242A
Cited
US2427393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |