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Patent US232429A successfully refreshed from Google Patents.
US232429A
Expired / Lapsed
US
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Radiator for stove-pipes
Assignee: —
•
Filing: —
•
Granted: 1880-09-21
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Expires: 1897-09-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:35
CPC Classifications
F; F28; F28F; F28F27/00; F28F27/02; F28D; F28D21/00; F28D21/0001; F28D21/0003; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/109; Y10S165/12; Y10S165/122
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) | 1883-09-21 | 1884-03-22 | 1884-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-09-21 | 1888-03-22 | 1888-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-09-21 | 1892-03-22 | 1892-09-21 | $7700.00 | Window Closed / Lapsed |