US952901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing conductive layers on ceramic wares.
Assignee: Individual
•
Filing: 1909-05-27
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Granted: 1910-03-22
•
Expires: 1929-05-27
Abstract
No abstract record available.
Inventors
- 👤 Sigmund Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:41
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009
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) | 1913-03-21 | 1913-09-20 | 1914-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-21 | 1917-09-20 | 1918-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-21 | 1921-09-20 | 1922-03-22 | $7700.00 | Window Closed / Lapsed |