Patent US216286A successfully refreshed from Google Patents.
US216286A
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US
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Improvement in apparatus for supplying steam for heating and other purposes
Assignee: —
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Filing: —
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Granted: 1879-06-10
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Expires: 1896-06-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:37
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/024; F16L1/028; F16L1/036; Y; Y10; Y10T; Y10T137/00; Y10T137/402; Y10T137/6851; Y10T137/6966; Y10T137/6991
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) | 1882-06-09 | 1882-12-09 | 1883-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-06-09 | 1886-12-09 | 1887-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-06-09 | 1890-12-09 | 1891-06-10 | $7700.00 | Window Closed / Lapsed |