Patent US770866A successfully refreshed from Google Patents.
US770866A
Expired / Lapsed
US
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Automatic controller for feed-pumps.
Assignee: Individual
•
Filing: 1904-03-17
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Granted: 1904-09-27
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Expires: 1924-03-17
Abstract
No abstract record available.
Inventors
- 👤 Royal J Mullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:36
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/107; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7725; Y10T137/7781; Y10T137/7782
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) | 1907-09-27 | 1908-03-28 | 1908-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-09-27 | 1912-03-28 | 1912-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-09-27 | 1916-03-28 | 1916-09-27 | $7700.00 | Window Closed / Lapsed |