Patent US1671213A successfully refreshed from Google Patents.
US1671213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of precipitaing metals on an incandescent body
Assignee: Koninklijke Philips NV
•
Filing: 1926-03-12
•
Granted: 1928-05-29
•
Expires: 1946-03-12
Abstract
No abstract record available.
Inventors
- 👤 Anton Eduard Van Arkel
- 👤 Boer Jan Hendrik De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:25
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/14; C23; C23C; C23C16/00; C23C16/06; C23C16/08; C23C16/14; H; H01; H01K; H01K3/00; H01K3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1931-05-29 | 1931-11-28 | 1932-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-05-29 | 1935-11-28 | 1936-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-05-29 | 1939-11-28 | 1940-05-29 | $7700.00 | Window Closed / Lapsed |