US3496002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating metal with aromatic polyamides
Assignee: Chemische Werke Witten GmbH
•
Filing: 1966-04-22
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Granted: 1970-02-17
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Expires: 1986-04-22
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Wolfes
- 👤 Gustav Renckhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:42
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/28; B; B05; B05D; B05D1/00; B05D1/02; B05D1/04; B05D1/06; B05D1/08; B05D1/10; B05D1/18; B05D1/22; B05D1/24; B05D2505/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2731432A
Cited
US2952561A
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US3004861A
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US2972553A
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US2844489A
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US3379695A
Cited
US3380969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |