US2022009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for coating metallic cores with cement plaster by spiral windings, provided with devices to regulate the forming and conveying rollers and belts
Assignee: Individual
•
Filing: 1933-01-03
•
Granted: 1935-11-26
•
Expires: 1953-01-03
Abstract
No abstract record available.
Inventors
- 👤 Rocca Agostino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0038; B28B21/00; B28B21/42; B28B21/48; Y; Y10; Y10S; Y10S118/00; Y10S118/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-11-25 | 1939-05-27 | 1939-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-25 | 1943-05-27 | 1943-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-25 | 1947-05-27 | 1947-11-26 | $7700.00 | Window Closed / Lapsed |