US2157478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating articles by vaporized coating materials
Assignee: Individual
•
Filing: 1937-06-15
•
Granted: 1939-05-09
•
Expires: 1957-06-15
Abstract
No abstract record available.
Inventors
- 👤 Burkhardt Wilhelm
- 👤 Reinecke Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:46
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/228; C23C14/24; C23C14/32
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) | 1942-05-08 | 1942-11-07 | 1943-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-05-08 | 1946-11-07 | 1947-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-05-08 | 1950-11-07 | 1951-05-09 | $7700.00 | Window Closed / Lapsed |