US2933283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cut-off valve
Assignee: Individual
•
Filing: 1958-02-14
•
Granted: 1960-04-19
•
Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Kreis Philipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:43
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/60; F16K1/00; F16K1/32; F16K1/34
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |