US2676119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating paper
Assignee: Brightwater Paper Co
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Filing: 1953-03-13
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Granted: 1954-04-20
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Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Constance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:45
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/42; D21H5/00; D21H5/0005; D21H5/0012; D21H5/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD WHICH COMPRISES PASSING A WEB OF PAPER BENEATH THE SURFACE OF A SIZING BATH A PLURALITY OF TIMES BETWEEN WHICH THE PAPER IS EXPOSED TO THE AIR OUTSIDE OF SAID BATH AND WHILE SAID BATH IS MAINTAINED AT A VISCOSITY BETWEEN THE LIMITS OF 30 AND 35 SECONDS USING A 45 M.L. PIPETTE AT 80* F., PASSING THE COATED WEB THROUGH THE NIP BETWEEN SIZE ROLLS, AND THEN DRYING THE PAPER, THE SIZE BEING SELECTED FROM THE GROUP CONSISTING OF CASEIN AND GUM ARABIC.
Claim 2
Independent Claim
86 words
THE METHOD WHICH COMPRISES PASSING A WEB OF PAPER BENEATH THE SURFACE OF A SIZING BATH A PLURALITY OF TIMES BETWEEN WHICH THE PAPER IS EXPOSED TO THE AIR OUTSIDE OF SAID BATH AND WHILE SAID BATH IS MAINTAINED AT A VISCOSITY BETWEEN THE LIMITS OF 30 AND 35 SECONDS USING A 45 M.L. PIPETTE AT 80* F., PASSING THE COATED WEB THROUGH THE NIP BETWEEN SIZE ROLLS, AND THEN DRYING THE PAPER, THE SIZE BEING SELECTED FROM THE GROUP CONSISTING OF CASEIN AND GUM ARABIC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |