US2328542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalworking machine
Assignee: Individual
•
Filing: 1939-09-29
•
Granted: 1943-09-07
•
Expires: 1959-09-29
Abstract
No abstract record available.
Inventors
- 👤 Alfred O Bates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:09
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/22; B23B3/24; Y; Y10; Y10S; Y10S29/00; Y10S29/052; Y10T; Y10T29/00; Y10T29/44; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6779; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/28
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) | 1946-09-06 | 1947-03-08 | 1947-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-09-06 | 1951-03-08 | 1951-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-09-06 | 1955-03-08 | 1955-09-07 | $7700.00 | Window Closed / Lapsed |