US3425813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal coated stainless steel powder
Assignee: Pfizer Inc
•
Filing: 1964-08-18
•
Granted: 1969-02-04
•
Expires: 1984-08-18
Abstract
No abstract record available.
Inventors
- 👤 Justus K Orlemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:35
CPC Classifications
B; B22; B22F; B22F9/00; B22F1/00; B22F1/17; C; C22; C22C; C22C33/00; C22C33/02; C22C33/0207; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12181; Y10T428/12493; Y10T428/12708; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |