US2946553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Butterfly valves
Assignee: Robert Bosch GmbH
•
Filing: 1957-02-14
•
Granted: 1960-07-26
•
Expires: 1977-02-14
Abstract
No abstract record available.
Inventors
- 👤 Adam Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:39
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/22; F16K1/226; F16K1/228
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US245731A
Cited
US1014775A
Cited
US1706123A
Cited
US1834870A
Cited
US1918184A
Cited
US2081842A
Cited
US2655942A
Cited
US2612338A
Cited
US2843353A
Cited
US2853267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |