US3494878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stain resistant water-based coating compositions
Assignee: Rohm and Haas Co
•
Filing: 1967-11-02
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Granted: 1970-02-10
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Expires: 1987-11-02
Abstract
No abstract record available.
Inventors
- 👤 Richard E Harren
- 👤 Thomas H Haag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:42
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; B; B01; B01J; B01J47/00; B01J47/018; C09D123/00; C09D123/02; C09D123/04; C09D123/08; C09D125/00; C09D127/00; C09D127/02; C09D127/04; C09D133/00; C09D133/04; C09D133/06; C09D133/08; C09D5/00; C09D5/02; C09D5/024; C08; C08L; C08L25/00; C08L25/18; C08L33/00; C08L33/02; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/254; Y10T428/31504; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 0
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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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |