US3301932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing coated articles
Assignee: Dow Chemical Co
•
Filing: 1961-05-31
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Granted: 1967-01-31
•
Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Douglas S Chisholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:33
CPC Classifications
D; D07; D07B; D07B7/00; D07B7/02; D07B7/14; B; B05; B05D; B05D1/00; B05D1/28; B29; B29C; B29C43/00; B29C43/22; B29C48/00; B29C48/03; B29C48/07; B29C48/25; B29C48/36; B29C48/465; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/50; B29C70/504; D06; D06B; D06B1/00; D06B1/10; D06B1/14; D06B1/145; D06B3/00; D06B3/04; D07B5/00; D07B5/04; H; H01; H01B; H01B7/00; H01B7/08; H01B7/0823; B05D7/00; B05D7/20; B29C48/05; B29C48/08; B29C48/12; D06B2700/00; D06B2700/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD FOR COATING AT LEAST TWO OPPOSING SURFACES OF A PREFORMED SUBSTRATE WITH A NORMALLY SOLID FILM-FORMING THERMOPLASTIC RESIN COMPRISING PASSING SAID SUBSTRATE THROUGH AN OPENING BETWEEN TWO COUNTER-ROTATING ROLLS, SAID OPENING PROVIDED BY COACTING CIRCUMFERENTIAL GROOVES IN SAID ROLLS, THE DIRECTION OF TRAVEL OF THE SURFACE OF SAID ROLLS AT THE POINT AT WHICH SAID SUBSTRATE PASSES BETWEEN SAID ROLLS BEING ESSENTIALLY OPPOSITE TO THE DIRECTION OF TRAVEL OF SAID SUBSTRATE; APPLYING SAID NORMALLY SOLID THERMOPLASTIC RESIN IN MOLTEN FORM TO THE SURFACE OF SAID GROOVES IN SAID ROLLS; DEPOSITING SAID RESIN FROM SAID SURFACE ONTO SAID SUBSTRATE AS IT PASSES THROUGH SAID OPENING BETWEEN SAID ROLLS; AND THEN COOLING SAID APPLIED RESIN TO SOLIDIFY SAME ON SAID SUBSTRATE.
Claim 2
Independent Claim
121 words
A METHOD FOR COATING AT LEAST TWO OPPOSING SURFACES OF A PREFORMED SUBSTRATE WITH A NORMALLY SOLID FILM-FORMING THERMOPLASTIC RESIN COMPRISING PASSING SAID SUBSTRATE THROUGH AN OPENING BETWEEN TWO COUNTER-ROTATING ROLLS, SAID OPENING PROVIDED BY COACTING CIRCUMFERENTIAL GROOVES IN SAID ROLLS, THE DIRECTION OF TRAVEL OF THE SURFACE OF SAID ROLLS AT THE POINT AT WHICH SAID SUBSTRATE PASSES BETWEEN SAID ROLLS BEING ESSENTIALLY OPPOSITE TO THE DIRECTION OF TRAVEL OF SAID SUBSTRATE; APPLYING SAID NORMALLY SOLID THERMOPLASTIC RESIN IN MOLTEN FORM TO THE SURFACE OF SAID GROOVES IN SAID ROLLS; DEPOSITING SAID RESIN FROM SAID SURFACE ONTO SAID SUBSTRATE AS IT PASSES THROUGH SAID OPENING BETWEEN SAID ROLLS; AND THEN COOLING SAID APPLIED RESIN TO SOLIDIFY SAME ON SAID SUBSTRATE.
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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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |