US3566679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear pressure device
Assignee: TOFTNESS POST GRADUATE SCHOOL OF CHIROPRACTIC Inc A WIS CORP
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Filing: 1969-08-21
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Granted: 1971-03-02
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Expires: 1989-08-21
Abstract
Abstract A DEVICE CONSISTING OF A SPRING PRESSED ROD IN CONNECTION WITH A GAUGE TO APPLY A DESIRED LINEAR PRESSURE BY MEANS OF SAID ROD AGAINST A GIVEN AREA AND SAID ROD INCLUDES AN INTERMEDIATE LINKAGE PORTION WHICH WILL YIELD AND FLEX IN A DIRECTION TRANSVERSELY OF THE AXIS OF SAID ROD TO VISUALLY INDICATE THAT PRESSRE OTHER THAN LINEAR PRESSURE ALONG THE AXIS OF SAID ROD IS BEING APPLIED.
Inventors
- 👤 Irwing N Toftness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:46
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/0028; G01L5/0038; G01L1/00; G01L1/04; G01L1/042
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |