US1939157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembling drum
Assignee: CERAMIC MACHINERY Co
•
Filing: 1930-01-25
•
Granted: 1933-12-12
•
Expires: 1950-01-25
Abstract
No abstract record available.
Inventors
- 👤 Frank B Yingling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:34
CPC Classifications
B; B28; B28B; B28B11/00; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734; Y10T156/1744; Y10T156/1776; Y10T156/1778; Y10T156/178
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-12-11 | 1937-06-12 | 1937-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-11 | 1941-06-12 | 1941-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-11 | 1945-06-12 | 1945-12-12 | $7700.00 | Window Closed / Lapsed |