Patent US3370998A successfully refreshed from Google Patents.
US3370998A
Expired / Lapsed
US
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Coating
Assignee: Individual
•
Filing: 1963-12-16
•
Granted: 1968-02-27
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Jr George C Wiswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:38
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/226; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1510394A
Cited
US1721864A
Cited
US1959421A
Cited
US2609003A
Cited
US3149646A
Cited
US3193438A
Cited
US3159499A
Cited
US3160518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |