US648028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for preventing mouth-breathing.
Assignee: Columbia Finance & Trust Co
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Filing: 1899-08-07
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Granted: 1900-04-24
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Expires: 1919-08-07
Abstract
No abstract record available.
Inventors
- 👤 Josephus Hooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:21
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/56; A61F5/566; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439
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) | 1903-04-24 | 1903-10-24 | 1904-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-04-24 | 1907-10-24 | 1908-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-04-24 | 1911-10-24 | 1912-04-24 | $7700.00 | Window Closed / Lapsed |