US2715088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating paper with thermoplastic resins
Assignee: Provincial Paper Ltd
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Filing: 1951-01-15
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Granted: 1955-08-09
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Expires: 1971-01-15
Abstract
No abstract record available.
Inventors
- 👤 Gunning John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:56
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/52; D21H23/64; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; D21H5/00; D21H5/0005; D21H5/0042; D21H23/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
PROCESS OF COATING PAPER WITH A THERMOPLASTIC RESIN COMPRISING THE STEPS OF HEATING THE RESIN TO A CONDITION OF PLASTICITY, THEN EXTRUDING THE RESIN IN THE FORM OF A PLURALITY OF THIN CLOSELY SPACED PARALLEL FILAMENTS UPON THE SURFACE OF THE PAPER, FUSING SAID FILAMENTS INTO A CONTINUOUS FILM AND BONDING THE RESIN TO THE PAPER UNDER PRESSURE.
Claim 2
Dependent Claim
58 words
PROCESS OF COATING PAPER WITH A THERMOPLASTIC RESIN COMPRISING THE STEPS OF HEATING THE RESIN TO A CONDITION OF PLASTICITY, THEN EXTRUDING THE RESIN IN THE FORM OF A PLURALITY OF THIN CLOSELY SPACED PARALLEL FILAMENTS UPON THE SURFACE OF THE PAPER, FUSING SAID FILAMENTS INTO A CONTINUOUS FILM AND BONDING THE RESIN TO THE PAPER UNDER PRESSURE.
References Cited (Backward Citations)
US2031636A
Cited
US2070600A
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US2154333A
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US2219700A
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US2405977A
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US2473528A
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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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |