Patent US5122993A successfully refreshed from Google Patents.
US866444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of solid forms.
Assignee: Siemens AG
•
Filing: 1905-12-02
•
Granted: 1907-09-17
•
Expires: 1925-12-02
Abstract
No abstract record available.
Inventors
- 👤 Georg Egly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:52
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/584; C04B35/591
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) | 1910-09-16 | 1911-03-18 | 1911-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-09-16 | 1915-03-18 | 1915-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-09-16 | 1919-03-18 | 1919-09-17 | $7700.00 | Window Closed / Lapsed |