US2351093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter
Assignee: AT&T Inc
•
Filing: 1942-08-11
•
Granted: 1944-06-13
•
Expires: 1962-08-11
Abstract
No abstract record available.
Inventors
- 👤 Charles O Beckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:26
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/04; B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B26D1/385; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/73; Y10T83/731; Y10T83/869; Y10T83/8776; Y10T83/8778; Y10T83/8785; Y10T83/8786
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) | 1947-06-13 | 1947-12-13 | 1948-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-13 | 1951-12-13 | 1952-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-13 | 1955-12-13 | 1956-06-13 | $7700.00 | Window Closed / Lapsed |