US3477593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic remote tripper control
Assignee: Kennecott Corp
•
Filing: 1966-11-25
•
Granted: 1969-11-11
•
Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Latham E Whitham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:47
CPC Classifications
B; B65; B65G; B65G43/00; B65G2811/00; B65G2811/06; B65G2811/0673
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2097909A
Cited
US2537005A
Cited
US2730228A
Cited
US2876914A
Cited
US2852128A
Cited
US3052364A
Cited
US3237807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |