US2026747A
Expired / Lapsed
US
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Gravity thermal dilator
Assignee: Individual
•
Filing: 1935-03-16
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Granted: 1936-01-07
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Expires: 1955-03-16
Abstract
No abstract record available.
Inventors
- 👤 William P B Nemzek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:35
CPC Classifications
A; A61; A61M; A61M29/00; A61M29/02; A61M25/00; A61M25/10; A61M25/1018; A61M25/10184; A61M25/10185; A61B; A61B90/00; A61B90/03; A61B2090/032; A61M2025/1043; A61M2025/1093
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) | 1939-01-06 | 1939-07-08 | 1940-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-06 | 1943-07-08 | 1944-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-06 | 1947-07-08 | 1948-01-07 | $7700.00 | Window Closed / Lapsed |