US2452211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for mechanically working materials
Assignee: SCOPHONY Corp OF AMERICA
•
Filing: 1944-10-17
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Granted: 1948-10-26
•
Expires: 1964-10-17
Abstract
No abstract record available.
Inventors
- 👤 Adolph H Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
B; B21; B21B; B21B11/00; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/34; B23Q5/00; B23Q5/02; B23Q5/027; B28; B28D; B28D5/00; B28D5/04; B28D5/047; Y; Y10; Y10S; Y10S29/00; Y10S29/046; Y10S408/00; Y10S408/70; Y10S451/00; Y10S451/91; Y10S82/00; Y10S82/904; Y10T; Y10T29/00; Y10T29/44; Y10T408/00; Y10T408/23; Y10T83/00; Y10T83/02; Y10T83/0237; Y10T83/0252; Y10T83/869; Y10T83/8765
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |