US2443914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for forming articles
Assignee: AT&T Inc
•
Filing: 1944-01-07
•
Granted: 1948-06-22
•
Expires: 1964-01-07
Abstract
No abstract record available.
Inventors
- 👤 Vincent G Jarman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:08
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J9/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1314909A
Cited
US500279A
Cited
US1227659A
Cited
US1596734A
Cited
US1874575A
Cited
US1999654A
Cited
US2371780A
Cited
US1973667A
Cited
US1970599A
Cited
US2014833A
Cited
US2119513A
Cited
US2155388A
Cited
US2163019A
Cited
US2272869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |