US3390428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fabricating coil supporting bobbins with terminals attached thereto
Assignee: AT&T Inc
•
Filing: 1965-12-23
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Granted: 1968-07-02
•
Expires: 1985-12-23
Abstract
No abstract record available.
Inventors
- 👤 Delbert C Graunke
- 👤 Theodore W Kalbow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:24
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/14; B29C45/14639; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/51; Y10T29/5104; Y10T29/5115; Y10T29/5136; Y10T29/5137; Y10T29/5142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1831144A
Cited
US2568771A
Cited
US2720690A
Cited
US2794211A
Cited
US2900662A
Cited
US3030694A
Cited
US3009197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |