Patent JPS56137673A successfully refreshed from Google Patents.
US13930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary
Assignee: —
•
Filing: —
•
Granted: 1855-12-11
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Expires: 1872-12-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:34
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3446; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
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) | 1858-12-10 | 1859-06-11 | 1859-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1862-12-10 | 1863-06-11 | 1863-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1866-12-10 | 1867-06-11 | 1867-12-11 | $7700.00 | Window Closed / Lapsed |