US2162613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode system and method of making same
Assignee: Koninklijke Philips NV
•
Filing: 1937-08-09
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Granted: 1939-06-13
•
Expires: 1957-08-09
Abstract
No abstract record available.
Inventors
- 👤 Emmens Hendrik
- 👤 Willem Christiaan Van Geel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:10
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/01; H10D48/04; H10D48/043; H10D48/045; H10D48/046; H10P; H10P14/00; H10P14/20; H10P14/29; H10P14/2901; H10P14/2923; H10P14/32; H10P14/3202; H10P14/3204; H10P14/3206; H10P14/34; H10P14/3402
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) | 1942-06-12 | 1942-12-12 | 1943-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-06-12 | 1946-12-12 | 1947-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-06-12 | 1950-12-12 | 1951-06-13 | $7700.00 | Window Closed / Lapsed |