US2841822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus
Assignee: AT&T Inc
•
Filing: 1954-06-29
•
Granted: 1958-07-08
•
Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 Robert C Clough
- 👤 Richard B Graf
- 👤 John F Kruzic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:21
CPC Classifications
B; B22; B22C; B22C13/00; B22C13/12; Y; Y10; Y10S; Y10S425/00; Y10S425/118
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1330172A
Cited
US1593878A
Cited
US1845313A
Cited
US1958422A
Cited
US2045699A
Cited
US2317574A
Cited
US2656084A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |