US3411347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating string for measuring purposes
Assignee: Wirth Gallo and Co
•
Filing: 1965-10-20
•
Granted: 1968-11-19
•
Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Wirth Johannes
- 👤 Gallo Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:29
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/10; G01L1/106; Y; Y10; Y10S; Y10S73/00; Y10S73/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |