US2909128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record controlled conveyor systems
Assignee: International Computers and Tabulators Ltd
•
Filing: 1951-06-22
•
Granted: 1959-10-20
•
Expires: 1971-06-22
Abstract
No abstract record available.
Inventors
- 👤 Keen Harold Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:29
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/001; B61B10/008; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53004; Y10T29/53017; Y10T29/53039; Y10T29/53061; Y10T29/53539; Y10T29/53543; Y10T29/53548; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1602753A
Cited
US1921109A
Cited
US2174699A
Cited
US2120378A
Cited
US2172756A
Cited
US2374537A
Cited
US2315659A
Cited
US2275396A
Cited
US2328317A
Cited
US2362079A
Cited
US2611074A
Cited
US2630523A
Cited
US2665775A
Cited
US2684719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |