US2466644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic scale remover
Assignee: ACF Industries Inc
•
Filing: 1943-08-14
•
Granted: 1949-04-05
•
Expires: 1963-08-14
Abstract
No abstract record available.
Inventors
- 👤 John J Mcbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:50
CPC Classifications
B; B21; B21B; B21B23/00; B21C; B21C43/00; Y; Y10; Y10S; Y10S29/00; Y10S29/098; Y10T; Y10T29/00; Y10T29/45; Y10T29/4567; Y10T29/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US113611A
Cited
GB190401632A
Cited
US1588772A
Cited
US1493506A
Cited
US1804537A
Cited
US1963304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |