US3459878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable identification and spacing system
Assignee: AT&T Inc
•
Filing: 1967-05-23
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Granted: 1969-08-05
•
Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 Tillman J Gressitt
- 👤 Raymond B Ramsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:55
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/02; H04Q1/16; H01; H01B; H01B11/00; H01B13/00; H01B13/02; H01B7/00; H01B7/36; H01B7/368; H01B7/08; H01B7/0838; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49194; Y10T29/49201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1727972A
Cited
US2182968A
Cited
US3097036A
Cited
US3082292A
Cited
US3158181A
Cited
US3364402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |