US3415771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions and processes
Assignee: EIDP Inc
•
Filing: 1965-05-21
•
Granted: 1968-12-10
•
Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Woodruff Robert Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:30
CPC Classifications
G; G03; G03F; G03F1/00; G03F1/92; C; C09; C09D; C09D129/00; C09D129/02; C09D129/04; C09D131/00; C09D131/02; C09D131/04; C09D139/00; C09D139/04; C09D139/06; G03C; G03C11/00; G03C11/22; Y; Y10; Y10S; Y10S106/00; Y10S106/901; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24364; Y10T428/249921; Y10T428/249953; Y10T428/249978; Y10T428/31504; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3223579A
Cited
US3177083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |