Patent US2307986A successfully refreshed from Google Patents.
US2307986A
Expired / Lapsed
US
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Insufflator
Assignee: Individual
•
Filing: 1940-02-15
•
Granted: 1943-01-12
•
Expires: 1960-02-15
Abstract
No abstract record available.
Inventors
- 👤 Bolte Brown
- 👤 Mcneilly Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:02
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/06; B05B11/062; A; A61; A61M; A61M13/00; A61M15/00; A61M15/0028; A61M15/003; A61M15/0033; A61M15/0035; A61M15/0036; A61M2202/00; A61M2202/06; A61M2202/064; A61M2205/00; A61M2205/07; A61M2205/071; A61M2205/075
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) | 1946-01-11 | 1946-07-13 | 1947-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-01-11 | 1950-07-13 | 1951-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-01-11 | 1954-07-13 | 1955-01-12 | $7700.00 | Window Closed / Lapsed |