US2674409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical generator of products and functions
Assignee: AT&T Inc
•
Filing: 1950-07-12
•
Granted: 1954-04-06
•
Expires: 1970-07-12
Abstract
No abstract record available.
Inventors
- 👤 Lakatos Emory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:44
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/20; G06G7/16; G06G7/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2580740A
Cited
US2285038A
Cited
US2419852A
Cited
US2486068A
Cited
US2551740A
Cited
US2568927A
Cited
US2587193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |