US3525609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper alloy material
Assignee: Associated Electrical Industries Ltd
•
Filing: 1967-02-24
•
Granted: 1970-08-25
•
Expires: 1987-02-24
Abstract
No abstract record available.
Inventors
- 👤 David Henry Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:38
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/02; H01B1/026; C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0021; C22C9/00; Y; Y10; Y10S; Y10S75/00; Y10S75/95; Y10S75/951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2143914A
Cited
US2972529A
Cited
US3028234A
Cited
US3180727A
Cited
US3323911A
Cited
US3370942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |