US3450585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface-processing method for synthetic resin sheet
Assignee: Sakai Chemical Industry Co Ltd
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Filing: 1965-09-28
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Granted: 1969-06-17
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Haruo Takagi
- 👤 Yasuo Yamagishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:52
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; B05D7/04; B05D1/00; B05D1/28; B05D3/00; B05D3/12
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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |