Patent US5270472A successfully refreshed from Google Patents.
Patent US24509A successfully refreshed from Google Patents.
US24509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tenbach
Assignee: —
•
Filing: —
•
Granted: 1859-06-21
•
Expires: 1876-06-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:54
CPC Classifications
F; F21; F21V; F21V37/00; F21V37/0004; C; C10; C10G; C10G9/00; C10G9/02; C10G9/04; C10G2400/00; C10G2400/26
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) | 1862-06-20 | 1862-12-20 | 1863-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1866-06-20 | 1866-12-20 | 1867-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1870-06-20 | 1870-12-20 | 1871-06-21 | $7700.00 | Window Closed / Lapsed |