US2000553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Excell O Aircraft & Tool Corp
•
Filing: 1932-03-17
•
Granted: 1935-05-07
•
Expires: 1952-03-17
Abstract
No abstract record available.
Inventors
- 👤 Carroll R Alden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:22
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/22; Y; Y10; Y10S; Y10S29/00; Y10S29/101; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5158; Y10T29/5179; Y10T408/00; Y10T408/16; Y10T408/165; Y10T408/17; Y10T408/172; Y10T408/18; Y10T408/36; Y10T408/375; Y10T408/378; Y10T408/3788; Y10T408/47; Y10T408/476; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2533
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) | 1938-05-06 | 1938-11-05 | 1939-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-06 | 1942-11-05 | 1943-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-06 | 1946-11-05 | 1947-05-07 | $7700.00 | Window Closed / Lapsed |