US2777162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressing punch and die
Assignee: AT&T Inc
•
Filing: 1952-10-29
•
Granted: 1957-01-15
•
Expires: 1972-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr William S Banzhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:20
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/06; B30B15/065; B29; B29D; B29D19/00; B30B15/02; B30B15/022; B29C; B29C43/00; Y; Y10; Y10S; Y10S425/00; Y10S425/035
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190318448A
Cited
US1232297A
Cited
US1641553A
Cited
US1908774A
Cited
US2325687A
Cited
US2437127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |