US2609049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for slitting articles
Assignee: AT&T Inc
•
Filing: 1947-11-08
•
Granted: 1952-09-02
•
Expires: 1967-11-08
Abstract
No abstract record available.
Inventors
- 👤 Vincent A Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:18
CPC Classifications
B; B26; B26D; B26D3/00; B26D3/003; B26F; B26F3/00; B26F3/002; Y; Y10; Y10T; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/14; Y10T83/00; Y10T83/02; Y10T83/0207; Y10T83/0215; Y10T83/04; Y10T83/0505
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) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |