US3014746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coke oven doors
Assignee: Simon Carves Ltd
•
Filing: 1959-11-19
•
Granted: 1961-12-26
•
Expires: 1979-11-19
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Karl Hiby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:41
CPC Classifications
C; C10; C10B; C10B25/00; C10B25/02; C10B25/08; C10B25/14; C10B25/12; Y; Y10; Y10T; Y10T292/00; Y10T292/23; Y10T292/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |