Patent US3493418A successfully refreshed from Google Patents.
US3493418A
Expired / Lapsed
US
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Multilayer coating process
Assignee: Sherwin Williams Co
•
Filing: 1967-09-21
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Granted: 1970-02-03
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Expires: 1987-09-21
Abstract
No abstract record available.
Inventors
- 👤 George Minora Amano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:00
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; D; D06; D06N; D06N3/00; D06N3/0043; D06N3/04; D06N3/06; D06N3/08; D06N7/00; D06N7/0005; D06N7/0028; E; E04; E04F; E04F15/00; E04F15/18; Y; Y10; Y10T; Y10T428/00; Y10T428/22; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/31504; Y10T428/31551
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2294930A
Cited
US2591904A
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US2962081A
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US2987102A
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US3180753A
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US3356634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |