US3464682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous kiln firing system
Assignee: Bickley Furnaces Inc
•
Filing: 1967-11-29
•
Granted: 1969-09-02
•
Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 George Bickley Remmey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:20
CPC Classifications
C; C03; C03B; C03B25/00; C03B25/04; C03B25/06; C03B25/08; F; F27; F27B; F27B9/00; F27B9/30; F27B9/3005; F27B9/3011; F27B9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2991535A
Cited
US3390870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |