US2594931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric apparatus
Assignee: Dynamatic Corp
•
Filing: 1950-01-14
•
Granted: 1952-04-29
•
Expires: 1970-01-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Jaeschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:56
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606912A
Cited
US1043047A
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US1200501A
Cited
GB182896A
Cited
US1834774A
Cited
GB320279A
Cited
US1942211A
Cited
US2374203A
Cited
US2454364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |