US3403553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensiometer
Assignee: Individual
•
Filing: 1965-02-25
•
Granted: 1968-10-01
•
Expires: 1985-02-25
Abstract
No abstract record available.
Inventors
- 👤 Wiener Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:37
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/042; B; B65; B65H; B65H59/00; B65H59/40; B65H61/00; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1871776A
Cited
US2573168A
Cited
US2767576A
Cited
US2844028A
Cited
US2834203A
Cited
US3153338A
Cited
US3246516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |