US869868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organ-blowing apparatus.
Assignee: ORGAN POWER Co
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Filing: 1905-01-12
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Granted: 1907-10-29
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Expires: 1925-01-12
Abstract
No abstract record available.
Inventors
- 👤 Ira H Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/661; F04D29/663; F04D29/664
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) | 1910-10-28 | 1911-04-29 | 1911-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-28 | 1915-04-29 | 1915-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-28 | 1919-04-29 | 1919-10-29 | $7700.00 | Window Closed / Lapsed |