US3526870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring tension connector for wire-wrap post
Assignee: 3M Co
•
Filing: 1968-06-06
•
Granted: 1970-09-01
•
Expires: 1988-06-06
Abstract
No abstract record available.
Inventors
- 👤 Arne H Mayala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:49
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/24; H01R4/2491; H01R4/28; H01R4/50; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7164; Y10T403/7171; Y10T403/7176
Claims Analysis
Total Claims: 0
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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) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |