US3403668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid transducer
Assignee: Individual
•
Filing: 1966-04-04
•
Granted: 1968-10-01
•
Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Schottler Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:50
CPC Classifications
F; F01; F01B; F01B9/00; F01B9/04; F01B9/06; F01B3/00; F01B3/0002; F01B3/0005; F01B3/04; F01B7/00; F01B7/02; F04; F04B; F04B3/00; F04B49/00; F04B49/005; F04B53/00; F04B53/14; F04B9/00; F04B9/02; F04B9/04; F04B9/042; F16; F16H; F16H25/00; F16H25/08; F16H25/10; F16H25/12; F16H25/125; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024; Y10T74/18056; Y10T74/18208; Y10T74/18296; Y10T74/18304; Y10T74/18336; Y10T74/18568; Y10T74/18576
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1813259A
Cited
GB407072A
Cited
US2316394A
Cited
US2532106A
Cited
US2648987A
Cited
US2819678A
Cited
US2928287A
Cited
US3094880A
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 |