US1036408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeder for steam-boilers.
Assignee: Individual
•
Filing: 1911-08-17
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Granted: 1912-08-20
•
Expires: 1931-08-17
Abstract
No abstract record available.
Inventors
- 👤 John H Alfredson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:37
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7378; Y10T137/742; Y10T137/7439; Y10T137/7478; Y10T137/8158; Y10T137/8342
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) | 1915-08-20 | 1916-02-19 | 1916-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-08-20 | 1920-02-19 | 1920-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-08-20 | 1924-02-19 | 1924-08-20 | $7700.00 | Window Closed / Lapsed |