US2602829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inorganic rope impregnated with resin and coils blocked therewith
Assignee: Westinghouse Electric Corp
•
Filing: 1950-09-02
•
Granted: 1952-07-08
•
Expires: 1970-09-02
Abstract
No abstract record available.
Inventors
- 👤 Marvin M Fromm
- 👤 John S Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:06
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/50; H02K3/505; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2437990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |