US2667260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyer system
Assignee: AT&T Inc
•
Filing: 1948-09-11
•
Granted: 1954-01-26
•
Expires: 1968-09-11
Abstract
No abstract record available.
Inventors
- 👤 Harley G Pyles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:41
CPC Classifications
B; B65; B65G; B65G47/00; B65G2811/00; B65G2811/06; B65G2811/0673; B65G2811/0678; B65G2811/0684
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US748577A
Cited
US709203A
Cited
US1113738A
Cited
US1297680A
Cited
US1362034A
Cited
US1435263A
Cited
US1470663A
Cited
US1869354A
Cited
US2435498A
Cited
US2518037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |