US3022198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating of shaped articles
Assignee: Dow Chemical Co
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Filing: 1960-07-05
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Granted: 1962-02-20
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Expires: 1980-07-05
Abstract
No abstract record available.
Inventors
- 👤 Harold G Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:01
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J2325/00; C08J2427/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A METHOD OF COATING A SHAPED ARTICLE COMPRISING TREATING THE SURFACE OF A SHAPED ARTICLE PREPARED FROM AN ALKENYL AROMATIC RESIN HAVING CHEMICALLY COMBINED IN ITS POLYMER MOLECULE AT LEAST ABOUT 50 WEIGHT PERCENT OF AT LEAST ONE POLYMERIZED ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Independent Claim
46 words
A METHOD OF COATING A SHAPED ARTICLE COMPRISING TREATING THE SURFACE OF A SHAPED ARTICLE PREPARED FROM AN ALKENYL AROMATIC RESIN HAVING CHEMICALLY COMBINED IN ITS POLYMER MOLECULE AT LEAST ABOUT 50 WEIGHT PERCENT OF AT LEAST ONE POLYMERIZED ALKENYL AROMATIC COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |