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Patent US607286A successfully refreshed from Google Patents.
US607286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic boiler-feeder
Assignee: —
•
Filing: —
•
Granted: 1898-07-12
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Expires: 1915-07-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:31
CPC Classifications
F; F22; F22D; F22D5/00; F22D5/18; F22D5/22; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7413; Y10T137/8158; Y10T137/8225; Y10T137/8275; Y10T137/8292; Y10T137/8326
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) | 1901-07-12 | 1902-01-11 | 1902-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1905-07-12 | 1906-01-11 | 1906-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1909-07-12 | 1910-01-11 | 1910-07-13 | $7700.00 | Window Closed / Lapsed |