Patent US2698414A successfully refreshed from Google Patents.
US2698414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current supply apparatus
Assignee: AT&T Inc
•
Filing: 1952-03-05
•
Granted: 1954-12-28
•
Expires: 1972-03-05
Abstract
No abstract record available.
Inventors
- 👤 George W Meszaros
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:43
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2272794A
Cited
US2299942A
Cited
US2386548A
Cited
US2549782A
Cited
US2485652A
Cited
US2497182A
Cited
US2547162A
Cited
US2565621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |