Patent US3206549A successfully refreshed from Google Patents.
US1930601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal coating apparatus
Assignee: Individual
•
Filing: 1931-02-12
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Granted: 1933-10-17
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Expires: 1951-02-12
Abstract
No abstract record available.
Inventors
- 👤 Frank P Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:34
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/40; Y; Y10; Y10S; Y10S118/00; Y10S118/22
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) | 1936-10-16 | 1937-04-17 | 1937-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-16 | 1941-04-17 | 1941-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-16 | 1945-04-17 | 1945-10-17 | $7700.00 | Window Closed / Lapsed |