US2993595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic sorting machine
Assignee: International Business Machines Corp
•
Filing: 1956-04-04
•
Granted: 1961-07-25
•
Expires: 1976-04-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Dickinson
- 👤 Herbert J Hallstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:01
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2053068A
Cited
US2265441A
Cited
US2531874A
Cited
US2720360A
Cited
US2669354A
Cited
US2708514A
Cited
US2795328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |