US2562283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cast electric motor
Assignee: A O SMITH ELECTRICAL Manufacturing Co
•
Filing: 1946-02-11
•
Granted: 1951-07-31
•
Expires: 1966-02-11
Abstract
No abstract record available.
Inventors
- 👤 Sr Marion B Sawyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:35
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/48; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US628050A
Cited
US1190054A
Cited
US1535330A
Cited
US1974183A
Cited
GB463015A
Cited
US2283146A
Cited
US2385385A
Cited
US2340905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |