US3056618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft keying arrangement
Assignee: AT&T Inc
•
Filing: 1959-04-29
•
Granted: 1962-10-02
•
Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 Johan R Andersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:27
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0876; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7016; Y10T403/7018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US834579A
Cited
US1439769A
Cited
US1565609A
Cited
US1815165A
Cited
US2180929A
Cited
US2215248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |