US2405265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood pressure testing apparatus
Assignee: Individual
•
Filing: 1942-10-20
•
Granted: 1946-08-06
•
Expires: 1962-10-20
Abstract
No abstract record available.
Inventors
- 👤 Charles H Mcalpine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:04
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/12; A61B17/132; A61B17/135; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/02233; Y; Y10; Y10T; Y10T24/00; Y10T24/40; Y10T24/4002; Y10T24/4012; Y10T24/4016
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) | 1949-08-05 | 1950-02-04 | 1950-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-05 | 1954-02-04 | 1954-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-05 | 1958-02-04 | 1958-08-06 | $7700.00 | Window Closed / Lapsed |