US2744648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure
Assignee: Individual
•
Filing: 1953-03-09
•
Granted: 1956-05-08
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 George H Scherr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:30
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31565; A61M5/3159; A61M5/31591; A61M5/20; A61M5/204; A61M5/31533; A61M5/31545; A61M5/31548; A61M5/3155; A61M5/31551; A61M5/31561; A61M5/31576; A61M5/31578; A61M5/3158; Y; Y10; Y10S; Y10S215/00; Y10S215/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1930929A
Cited
US2099370A
Cited
US2153981A
Cited
US2202163A
Cited
US2191447A
Cited
US2442983A
Cited
US2392602A
Cited
US2509369A
Cited
US2645224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |