US2822487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of manufacture of electric motors, and in motors made thereby
Assignee: RUDOLF BLIK ELECTRISCHE APP N
•
Filing: 1954-07-23
•
Granted: 1958-02-04
•
Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Barel Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:57
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1194232A
Cited
US720307A
Cited
DE542272C
Cited
US2253191A
Cited
US2523520A
Cited
GB609935A
Cited
US2701318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |