Patent US368A successfully refreshed from Google Patents.
US368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
John williamson
Assignee: —
•
Filing: —
•
Granted: 1837-08-31
•
Expires: 1854-08-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:57
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/08; Y; Y10; Y10S; Y10S148/00; Y10S148/023; Y10S148/04; Y10S148/056; Y10S148/084
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) | 1840-08-30 | 1841-03-01 | 1841-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1844-08-30 | 1845-03-01 | 1845-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1848-08-30 | 1849-03-01 | 1849-08-31 | $7700.00 | Window Closed / Lapsed |