Patent US1506146A successfully refreshed from Google Patents.
Patent US2710043A successfully refreshed from Google Patents.
US2710043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for corrugating paper or cardboard
Assignee: AG Der Maschinenfabrik Von Theodor Bell & Cie
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Filing: 1952-04-14
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Granted: 1955-06-07
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Expires: 1972-04-14
Abstract
No abstract record available.
Inventors
- 👤 Hubmeier Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:29
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN APPARATUS FOR PROVIDING A CONTINUOUS WEB OF MATERIAL WITH LONGTIUDINAL CORRUGATIONS, COMPRISING A PAIR OF PARALLEL SPACED ROLLERS, MEANS FOR DRIVING ONE OF SAID ROLLERS, AN ENDLESS BELT OF FLEXIBLE MATERIAL RUNNING OVER SAID ROLLERS, THE OUTER FACE OF SAID ENDLESS BELT HAVING PARALLEL LONGITUDINAL GROOVES, FORMING MEANS ENGAGING SAID GROOVES AT STATIONARY LONGITUDINAL AND LATERALLY OFFSET POINTS FOR PRESSING SAID WEB INTO SAID GROOVES OF SAID BELT AS THE LATTER PASSES SAID POINTS SO THAT SAID WEB IS PRESSED FIRST INTO A CENTRAL GROOVE OF SAID BELT AND THEREAFTER IN SUCCESSION INTO ONE ADJACENT LATERAL GROOVE AFTER THE OTHER AT BOTH SIDES OF SAID CENTRAL GROOVE.
Claim 2
Independent Claim
108 words
AN APPARATUS FOR PROVIDING A CONTINUOUS WEB OF MATERIAL WITH LONGTIUDINAL CORRUGATIONS, COMPRISING A PAIR OF PARALLEL SPACED ROLLERS, MEANS FOR DRIVING ONE OF SAID ROLLERS, AN ENDLESS BELT OF FLEXIBLE MATERIAL RUNNING OVER SAID ROLLERS, THE OUTER FACE OF SAID ENDLESS BELT HAVING PARALLEL LONGITUDINAL GROOVES, FORMING MEANS ENGAGING SAID GROOVES AT STATIONARY LONGITUDINAL AND LATERALLY OFFSET POINTS FOR PRESSING SAID WEB INTO SAID GROOVES OF SAID BELT AS THE LATTER PASSES SAID POINTS SO THAT SAID WEB IS PRESSED FIRST INTO A CENTRAL GROOVE OF SAID BELT AND THEREAFTER IN SUCCESSION INTO ONE ADJACENT LATERAL GROOVE AFTER THE OTHER AT BOTH SIDES OF SAID CENTRAL GROOVE.
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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) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |