US3409978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cladding process
Assignee: General Electric Co
•
Filing: 1965-08-17
•
Granted: 1968-11-12
•
Expires: 1985-08-17
Abstract
No abstract record available.
Inventors
- 👤 William R Grams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:53
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/12; B; B32; B32B; B32B15/00; B32B15/01; B32B15/017; C23C14/00; C23C14/02; C23C2/003; C23C2/0038; C23C2/02; C23C2/022; C23C2/024; C23C2/34; C23C2/36; C23C2/38; C23C2/385; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12743; Y10T428/12771; Y10T428/12806
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |