Patent US1967863A successfully refreshed from Google Patents.
US1967863A
Expired / Lapsed
US
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Coated material and method of making same
Assignee: EIDP Inc
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Filing: 1931-11-02
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Granted: 1934-07-24
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Expires: 1951-11-02
Abstract
No abstract record available.
Inventors
- 👤 Arnold M Collins
- 👤 Louis L Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:30
CPC Classifications
C; C14; C14C; C14C9/00; C14C11/00; C14C11/003; D; D06; D06M; D06M15/00; D06M15/693; Y; Y10; Y10S; Y10S36/00; Y10S36/01; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2971; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2213; Y10T442/25; Y10T442/273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-07-23 | 1938-01-22 | 1938-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-23 | 1942-01-22 | 1942-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-23 | 1946-01-22 | 1946-07-24 | $7700.00 | Window Closed / Lapsed |