Patent US3587564A successfully refreshed from Google Patents.
US3587564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vital pulse display and display process employing a repetitive scanning tape system to minimize display flicker
Assignee: Baxter International Inc
•
Filing: 1969-01-17
•
Granted: 1971-06-28
•
Expires: 1989-01-17
Abstract
Abstract A PHYSIOLOGICAL PULSE DISPLAY MEANS AND PROCESS FEATURES A TAPE LOOP RECORDING SYSTEM WITH A STATIONARY RECORD HEAT AND A REPETITIVELY SCANNING READ HEAD MOVING AT A HIGHER SPEED THAN THE TAPE WHEREBY THE USUAL FLICKER ON THE OSCILLOSCOPE SCREEN IS REDUCED.
Inventors
- 👤 William K Hagan
- 👤 Thomas H Burdick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:15
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/24; A61B5/316; A61B5/318; A61B5/333; A61B5/336
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |