US954994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1909-09-29
•
Granted: 1910-04-12
•
Expires: 1929-09-29
Abstract
No abstract record available.
Inventors
- 👤 Hans P Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:12
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/12; F04B53/125; F04B47/00; F04B53/14; F04B53/16; F04B53/162
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) | 1913-04-11 | 1913-10-11 | 1914-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-04-11 | 1917-10-11 | 1918-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-04-11 | 1921-10-11 | 1922-04-12 | $7700.00 | Window Closed / Lapsed |