US2398230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting apparatus
Assignee: AT&T Inc
•
Filing: 1944-03-31
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Granted: 1946-04-09
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Expires: 1964-03-31
Abstract
No abstract record available.
Inventors
- 👤 William J Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:36
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/046; B23; B23D; B23D47/00; B23D47/04; B23D47/045; B23D47/047; B23D59/00; B23D59/006; B23D59/0064; B26; B26D; B26D3/00; B26D3/16; Y; Y10; Y10S; Y10S29/00; Y10S29/086; Y10T; Y10T408/00; Y10T408/52; Y10T408/54; Y10T408/545; Y10T83/00; Y10T83/647; Y10T83/6492; Y10T83/654; Y10T83/6542; Y10T83/6544; Y10T83/6545; Y10T83/6547; Y10T83/6548; Y10T83/655; Y10T83/6552; Y10T83/6553
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) | 1949-04-08 | 1949-10-08 | 1950-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-04-08 | 1953-10-08 | 1954-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-04-08 | 1957-10-08 | 1958-04-09 | $7700.00 | Window Closed / Lapsed |