US2912012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-way pivoted valve unit
Assignee: Individual
•
Filing: 1957-06-07
•
Granted: 1959-11-10
•
Expires: 1977-06-07
Abstract
No abstract record available.
Inventors
- 👤 Karl A Klingler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/08; F16K11/00; F16K11/02; F16K11/04; F16K11/052; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86847
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE106847C
Cited
US752439A
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US787565A
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US913400A
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US1065467A
Cited
US2035747A
Cited
US2188216A
Cited
US2368120A
Cited
US2494091A
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US2694414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |