US3237935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stack positioning document hopper feed
Assignee: International Business Machines Corp
•
Filing: 1964-02-17
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Granted: 1966-03-01
•
Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Frank E Becker
- 👤 Tex Karel Den
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:01
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; B; B65; B65H; B65H1/00; B65H1/04; B65H1/08; B65H1/14; G06K13/14; B65H2701/00; B65H2701/10; B65H2701/11; B65H2701/112; B65H2701/1125; B65H2801/00; B65H2801/03; B65H2801/21
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
46 words
STACK PRESENTING MEANS COMPRISING IN COMBINATION: A PIVOTED GUIDE ARM, A FIRST BED PLATE RIGIDLY MOUNTED TO SAID GUIDE ARM AT AN ANGLE, A SECOND BED PLATE LINKED TO SAID GUIDE ARM FOR MOVEMENT WHICH IS A FUNTION OF THE MOVEMENT OF SAID GUIDE ARM, AND
References Cited (Backward Citations)
US1685799A
Cited
US2886314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |