Patent US2464561A successfully refreshed from Google Patents.
US2464561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record feeding machine
Assignee: International Business Machines Corp
•
Filing: 1943-06-24
•
Granted: 1949-03-15
•
Expires: 1963-06-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Diekinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:04
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F7/4981; G06F3/00; G06F3/06; G06F3/14; G06F3/153; G06K; G06K13/00; G06K13/18; G09; G09G; G09G1/00; G09G1/06; G09G1/14; G09G1/18; G11; G11C; G11C11/00; G11C11/56; H; H03; H03K; H03K23/00; H03K23/82
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2069595A
Cited
US1964874A
Cited
US2093529A
Cited
US2120369A
Cited
US2254933A
Cited
US2176828A
Cited
US2254932A
Cited
US2145574A
Cited
US2256458A
Cited
US2370727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-14 | 1952-09-13 | 1953-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-14 | 1956-09-13 | 1957-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-14 | 1960-09-13 | 1961-03-15 | $7700.00 | Window Closed / Lapsed |