Patent US951942A successfully refreshed from Google Patents.
US951942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety-anchor for airships and the like.
Assignee: Individual
•
Filing: 1909-10-25
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Granted: 1910-03-15
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Expires: 1929-10-25
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Von Ehrenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:07
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80; E02D5/803
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) | 1913-03-14 | 1913-09-13 | 1914-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-14 | 1917-09-13 | 1918-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-14 | 1921-09-13 | 1922-03-15 | $7700.00 | Window Closed / Lapsed |