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US971479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for regulating the discharge of grain-heaters.
Assignee: HERBERT C GRAHAM
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Filing: 1910-01-08
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Granted: 1910-09-27
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Expires: 1930-01-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Wegner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:56
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/261; B65D47/265
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) | 1913-09-26 | 1914-03-28 | 1914-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-26 | 1918-03-28 | 1918-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-26 | 1922-03-28 | 1922-09-27 | $7700.00 | Window Closed / Lapsed |