Patent US2550653A successfully refreshed from Google Patents.
Patent US1296346A successfully refreshed from Google Patents.
Patent US2637995A successfully refreshed from Google Patents.
Patent US4642813A successfully refreshed from Google Patents.
Patent US2722618A successfully refreshed from Google Patents.
US2722618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine
Assignee: General Electric Co
•
Filing: 1952-07-08
•
Granted: 1955-11-01
•
Expires: 1972-07-08
Abstract
No abstract record available.
Inventors
- 👤 Richard W Dochterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:16
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/15
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |