US2922571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coin collectors
Assignee: AT&T Inc
•
Filing: 1958-03-20
•
Granted: 1960-01-26
•
Expires: 1978-03-20
Abstract
No abstract record available.
Inventors
- 👤 William J Kennedy
- 👤 Pferd William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:40
CPC Classifications
H; H04; H04M; H04M17/00; H04M17/02; H04M17/026; G; G07; G07F; G07F9/00; G07F9/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2277916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |