US3482624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-way valves
Assignee: TDK Micronas GmbH
•
Filing: 1967-01-13
•
Granted: 1969-12-09
•
Expires: 1987-01-13
Abstract
No abstract record available.
Inventors
- 👤 Gilbert Fritz Carlson
- 👤 Francis Eugene Dameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:03
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1393
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1315766A
Cited
US2255292A
Cited
DE594280C
Cited
US2271307A
Cited
US2557035A
Cited
US2555012A
Cited
US3172600A
Cited
US3194303A
Cited
US3170508A
Cited
US3241602A
Cited
US3300132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |