US2513708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of proofing laminated material
Assignee: Bemis Brothers Bag Co
•
Filing: 1943-11-12
•
Granted: 1950-07-04
•
Expires: 1963-11-12
Abstract
No abstract record available.
Inventors
- 👤 Belcher Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:36
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/50; D06; D06M; D06M17/00; D21H17/00; D21H17/60; D21H23/32; D21H23/42; D21H23/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
THE METHOD OF PRODUCING A WATER-REPELLENT LAMINATED SHEET MATERIAL COMPRISING PLIES OF SHEET MATERIAL LAMINATED BY AN ASPHALT LAMINANT WHEREIN AT LEAST ONE OF THE PLIES CONSISTS OF WEB OF WAX-PENETRABLE PAPER OF SUCH THICKNESS THAT, IF DIPPED IN OR ROLLER-COATED WITH MELTED WAX, THE WAX WOULD PENETRATE COMPLETELY THROUGH THE PAPER, WHILE A LIGHT APPLICAITON OF WAX, IN THICKNESS OF THE ORDER OF A FEW GLOBULES OF ATOMIZED WAX, WILL ONLY SUPERFICIALLY PENETRATE THE PAPER WITHOUT PENETRATING COMPLETELY THROUGH THE PAPER FROM ONE SURFACE THEREOF TO THE OTHER, COMPRISING THE STEPS OF LAMINATING THE PLIES WITH AN ASPHALT LAMINANT, PRESENTING THE OUTER SURFACE OF THE SAID PLY OF WAX-PENETRABLE PAPER TO A FINE ATOMIZED MIST OF WAX FOR AN INTERVAL OF SUCH SHORT DURATION AS TO PROVIDE A COATING OF WAX HAVING AT ANY POINT ON THE LSURFACE OF THE PAPER A THICKNESS AT MOST OF THE ORDER OF A FEW GLOBULES OF ATOMIZED WAX, AND HEATING THE APPLIED WAX TO MELT IT AND CAUSE ALL OF IT TO PENETRATE INTO THE PAPER FROM THE OUTER SURFACE THEROF WITHOUT ANY OF THE WAX PENETRATING COMPLETELY THROUGH THE PAPER TO THE ASPHALT LAMINANT AND THEREBY AVOIDING STAINING OF THE PAPER BY THE LAMINANT.
Claim 2
Independent Claim
203 words
THE METHOD OF PRODUCING A WATER-REPELLENT LAMINATED SHEET MATERIAL COMPRISING PLIES OF SHEET MATERIAL LAMINATED BY AN ASPHALT LAMINANT WHEREIN AT LEAST ONE OF THE PLIES CONSISTS OF WEB OF WAX-PENETRABLE PAPER OF SUCH THICKNESS THAT, IF DIPPED IN OR ROLLER-COATED WITH MELTED WAX, THE WAX WOULD PENETRATE COMPLETELY THROUGH THE PAPER, WHILE A LIGHT APPLICAITON OF WAX, IN THICKNESS OF THE ORDER OF A FEW GLOBULES OF ATOMIZED WAX, WILL ONLY SUPERFICIALLY PENETRATE THE PAPER WITHOUT PENETRATING COMPLETELY THROUGH THE PAPER FROM ONE SURFACE THEREOF TO THE OTHER, COMPRISING THE STEPS OF LAMINATING THE PLIES WITH AN ASPHALT LAMINANT, PRESENTING THE OUTER SURFACE OF THE SAID PLY OF WAX-PENETRABLE PAPER TO A FINE ATOMIZED MIST OF WAX FOR AN INTERVAL OF SUCH SHORT DURATION AS TO PROVIDE A COATING OF WAX HAVING AT ANY POINT ON THE LSURFACE OF THE PAPER A THICKNESS AT MOST OF THE ORDER OF A FEW GLOBULES OF ATOMIZED WAX, AND HEATING THE APPLIED WAX TO MELT IT AND CAUSE ALL OF IT TO PENETRATE INTO THE PAPER FROM THE OUTER SURFACE THEROF WITHOUT ANY OF THE WAX PENETRATING COMPLETELY THROUGH THE PAPER TO THE ASPHALT LAMINANT AND THEREBY AVOIDING STAINING OF THE PAPER BY THE LAMINANT.
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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) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |