Patent US3211449A successfully refreshed from Google Patents.
US3211449A
Expired / Lapsed
US
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Papermaking machine
Assignee: Kimberly Clark Corp
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Filing: 1963-11-14
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Granted: 1965-10-12
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ervin J Welhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:08
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/32; B65H3/322; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/422
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
APPARATUS FOR HANDLING A PILE OF LIGHT FLEXIBLE SHEET MATERIAL COMPRISING A TABLE, MEANS FOR MOVABLY MOUNTING SAID TABLE SO THAT IT MAY BE MOVED BETWEEN PARTS OF THE PILE OF SHEET MATERIAL WITH A FORWARD EDGE PROCEEDING FROM ONE SIDE TOWARD THE OTHER SIDE OF THE PILE, A ROLLER ON SAID FORWARD EDGE AND A SECOND ROLLER SPACED FROM SAID FIRST NAMED ROLLER BOTH ROTATABLY MOUNTED ON THE TABLE, A BELT EXTENDING AROUND SAID ROLLERS, MEANS FOR SUPPLYING AIR UNDER PRESSURE INTO SAID TABLE BETWEEN SAID ROLLERS, SAID BELT BEING PERFORATED AND THE UPPER SURFACE SO AS TO TABLE UNDERLYING SAID BELT ALSO BEING PERFORATED SO AS TO
References Cited (Backward Citations)
US1464513A
Cited
US2958527A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |