US1246247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric air-medicator, (capillary-action type.)
Assignee: VOLTO Co
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Filing: 1917-02-21
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Granted: 1917-11-13
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Expires: 1937-02-21
Abstract
No abstract record available.
Inventors
- 👤 Frank C Dorment
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:00
CPC Classifications
A; A61; A61M; A61M11/00; A61M11/04; A61M11/041
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) | 1920-11-12 | 1921-05-14 | 1921-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-11-12 | 1925-05-14 | 1925-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-11-12 | 1929-05-14 | 1929-11-13 | $7700.00 | Window Closed / Lapsed |