US3148879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacking apparatus
Assignee: International Business Machines Corp
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Filing: 1961-08-31
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Granted: 1964-09-15
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Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 Harold J Kistner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:12
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN APPARATUS FOR STACKING FORMS, MEANS PROVIDING A SURFACE AGAINST WHICH THE FORMS ARE STACKED SIDE-BY-SIDE WITH THEIR TRAILING EDGES ALIGNED, YIELDABLE STOP MEANS ENGAGEABLE BY THE LEADING EDGE OF EACH SUCCESSIVE FORM, MEANS FOR ADVANCING THE FORMS SUCCESSIVELY TOWARD THE STOP MEANS, GUIDE MEANS FOR GUIDING EACH FORM TO WITHIN ABOUT ONE FORM LENGTH OF THE STOP MEANS, AND MEANS INCLUDING PREVIOUSLY STACKED FORMS FOR BOWING EACH FORM FROM FRONT TO REAR AFTER IT LEAVES THE GUIDE MEANS AND BEFORE ITS LEADING EDGE STRIKES SAID STOP MEANS SO THAT AFTER SUCH STRIKING THE TRAILING EDGE WILL DIVERGE FROM SAID
Claim 2
Dependent Claim
100 words
IN APPARATUS FOR STACKING FORMS, MEANS PROVIDING A SURFACE AGAINST WHICH THE FORMS ARE STACKED SIDE-BY-SIDE WITH THEIR TRAILING EDGES ALIGNED, YIELDABLE STOP MEANS ENGAGEABLE BY THE LEADING EDGE OF EACH SUCCESSIVE FORM, MEANS FOR ADVANCING THE FORMS SUCCESSIVELY TOWARD THE STOP MEANS, GUIDE MEANS FOR GUIDING EACH FORM TO WITHIN ABOUT ONE FORM LENGTH OF THE STOP MEANS, AND MEANS INCLUDING PREVIOUSLY STACKED FORMS FOR BOWING EACH FORM FROM FRONT TO REAR AFTER IT LEAVES THE GUIDE MEANS AND BEFORE ITS LEADING EDGE STRIKES SAID STOP MEANS SO THAT AFTER SUCH STRIKING THE TRAILING EDGE WILL DIVERGE FROM SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |