Patent US2977243A successfully refreshed from Google Patents.
US2977243A
Expired / Lapsed
US
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Coating process
Assignee: EIDP Inc
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Filing: 1958-10-02
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Granted: 1961-03-28
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Meier John Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:09
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; B; B05; B05D; B05D1/00; B05D1/18; B05D1/40; B05D7/00; B05D7/02; B05D7/04; B05D2252/00; B05D2252/02; B05D2401/00; B05D2401/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR CONTINUOUSLY COATING A CONTINUOUS, FLEXIBLE, TRANSPARENT FILM OF HYDROPHILIC ORGANIC POLYMERIC MATERIAL WHICH COMPRISES CONTINUOUSLY APPLYING A UNIFORM COATING OF AN AQUEOUS DISPERSION COATING COMPOSITION HAVING A VISCOSITY NOT GREATER THAN 25 CENTIPOISES OVER THE SURFACES OF AN ADVANCING CONTINUOUS, FLEXIBLE, TRANSPARENT FILM OF HYDROPHILIC ORGANIC POLYMERIC MATERIAL ADVANCING AT A CONSTANT LINEAR SPEED OF AT LEAST 100 YARDS PER MINUTE, IMMEDIATELY THEREAFTER TANGENTIALLY CONTACTING THE COATED SURFACES OF SAID ADVANCING FILM WITH THE SURFACES OF A BANK OF AT LEAST 10 POSITIVELY DRIVEN, SUCCESSSIVELY POSITIONED, CYLINDRICAL SURFACES ALTERNATLY DISPOSED ON EACH OF SAID FILM AND ROTATING IN A DIRECTION OPPOSITE TO THE DIRECTION OF TRAVEL OF SAID FILM AT A PERIPHERAL
Claim 2
Dependent Claim
115 words
A PROCESS FOR CONTINUOUSLY COATING A CONTINUOUS, FLEXIBLE, TRANSPARENT FILM OF HYDROPHILIC ORGANIC POLYMERIC MATERIAL WHICH COMPRISES CONTINUOUSLY APPLYING A UNIFORM COATING OF AN AQUEOUS DISPERSION COATING COMPOSITION HAVING A VISCOSITY NOT GREATER THAN 25 CENTIPOISES OVER THE SURFACES OF AN ADVANCING CONTINUOUS, FLEXIBLE, TRANSPARENT FILM OF HYDROPHILIC ORGANIC POLYMERIC MATERIAL ADVANCING AT A CONSTANT LINEAR SPEED OF AT LEAST 100 YARDS PER MINUTE, IMMEDIATELY THEREAFTER TANGENTIALLY CONTACTING THE COATED SURFACES OF SAID ADVANCING FILM WITH THE SURFACES OF A BANK OF AT LEAST 10 POSITIVELY DRIVEN, SUCCESSSIVELY POSITIONED, CYLINDRICAL SURFACES ALTERNATLY DISPOSED ON EACH OF SAID FILM AND ROTATING IN A DIRECTION OPPOSITE TO THE DIRECTION OF TRAVEL OF SAID FILM AT A PERIPHERAL
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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |