US3457640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of fabricating an electrical coupler
Assignee: AT&T Inc
•
Filing: 1964-12-17
•
Granted: 1969-07-29
•
Expires: 1984-12-17
Abstract
No abstract record available.
Inventors
- 👤 Vincent A Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:25
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/28; H01R13/64; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49222; Y10T29/49799
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB478189A
Cited
US2326327A
Cited
US2631211A
Cited
US2727299A
Cited
US3178802A
Cited
US3072340A
Cited
US3170233A
Cited
US3182276A
Cited
GB960997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |