US3029959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevator for stranding cabler
Assignee: AT&T Inc
•
Filing: 1959-05-04
•
Granted: 1962-04-17
•
Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 Charles H Crosby
- 👤 Dzugan George
- 👤 William T Hicks
- 👤 Roger R Wahlberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:26
CPC Classifications
D; D07; D07B; D07B7/00; D07B7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2663446A
Cited
US1492178A
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US1955959A
Cited
US1949964A
Cited
US2332005A
Cited
US2451754A
Cited
US2696921A
Cited
US2659192A
Cited
US2655115A
Cited
US2705570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |