US1083370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for maintaining the equilibrium of a pendulum.
Assignee: Krupp Stahl AG
•
Filing: 1912-02-29
•
Granted: 1914-01-06
•
Expires: 1932-02-29
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Luyken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:56
CPC Classifications
B; B63; B63B; B63B39/00; B63B39/06; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221
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) | 1917-01-05 | 1917-07-07 | 1918-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-01-05 | 1921-07-07 | 1922-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-01-05 | 1925-07-07 | 1926-01-06 | $7700.00 | Window Closed / Lapsed |