US2484506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring and controlling pug mill output
Assignee: Individual
•
Filing: 1946-06-10
•
Granted: 1949-10-11
•
Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Elwin A Hawk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:31
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/20; B28B3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1879367A
Cited
US2340673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |