US3467135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic float valve
Assignee: Individual
•
Filing: 1965-07-23
•
Granted: 1969-09-16
•
Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Gunther Muskalla
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:21
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/22; F16K31/02; F16K31/06; F16K31/08; Y; Y10; Y10S; Y10S73/00; Y10S73/05; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7361; Y10T137/7381; Y10T137/7423; Y10T137/7426; Y10T137/7436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US493994A
Cited
US3233625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |