Patent US2620106A successfully refreshed from Google Patents.
US2620106A
Expired / Lapsed
US
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Device for controlling, operating, and cleaning various fluid operated systems
Assignee: Individual
•
Filing: 1950-08-02
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Granted: 1952-12-02
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Expires: 1970-08-02
Abstract
No abstract record available.
Inventors
- 👤 Benjamin E Weeks
- 👤 Willy G Hoenninger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:41
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/032; B08B9/0321; B08B9/0323; B08B9/0328; B67; B67D; B67D1/00; B67D1/07; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3124; Y10T137/3127; Y10T137/4238; Y10T137/4245
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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |