US2687277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary magnetically operated valve
Assignee: RAINBOWS Inc
•
Filing: 1953-03-13
•
Granted: 1954-08-24
•
Expires: 1973-03-13
Abstract
No abstract record available.
Inventors
- 👤 Hermann F Bremer
- 👤 Joseph A Gondolfo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:42
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F16K31/0651; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1538092A
Cited
FR574387A
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US2267515A
Cited
US2297076A
Cited
US2279243A
Cited
US2328382A
Cited
US2561922A
Cited
US2634757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |