US3446652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated oxetane polymer coating
Assignee: LESTER W SMITH
•
Filing: 1964-05-11
•
Granted: 1969-05-27
•
Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Lester W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:21
CPC Classifications
C; C09; C09D; C09D171/00; C09D171/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2872438A
Cited
US2947722A
Cited
US2722340A
Cited
US3061566A
Cited
US3205207A
Cited
US3242115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |