US703757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic feed-regulator for steam-boilers.
Assignee: Individual
•
Filing: 1902-03-07
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Granted: 1902-07-01
•
Expires: 1922-03-07
Abstract
No abstract record available.
Inventors
- 👤 John S V Bickford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:44
CPC Classifications
F; F22; F22D; F22D5/00; F22D5/14; F22D5/16
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) | 1905-06-30 | 1905-12-30 | 1906-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-06-30 | 1909-12-30 | 1910-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-06-30 | 1913-12-30 | 1914-07-01 | $7700.00 | Window Closed / Lapsed |