US2613809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ticket sorting apparatus
Assignee: AT&T Teletype Corp
•
Filing: 1946-10-25
•
Granted: 1952-10-14
•
Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Martha W C Potts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/3412; B07C3/00; B07C3/02; B07C3/10; B07C3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1315370A
Cited
US1502993A
Cited
US1651180A
Cited
GB256223A
Cited
US2025602A
Cited
US2408086A
Cited
US2369794A
Cited
US2358051A
Cited
US2328671A
Cited
US2422583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |