US1207769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for automatic stoker-controllers.
Assignee: UNDER-FEED STOKER Co OF AMERICA
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Filing: 1914-10-10
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Granted: 1916-12-12
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Expires: 1934-10-10
Abstract
No abstract record available.
Inventors
- 👤 William J Kenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:26
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/08; B62D5/083; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654; Y10T137/86839
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) | 1919-12-12 | 1920-06-12 | 1920-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-12-12 | 1924-06-12 | 1924-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-12-12 | 1928-06-12 | 1928-12-12 | $7700.00 | Window Closed / Lapsed |