Patent US2925246A successfully refreshed from Google Patents.
US2925246A
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Assignee: Pako Corp
•
Filing: 1958-01-02
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Granted: 1960-02-16
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Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Sardeson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:33
CPC Classifications
F; F16; F16K; F16K7/00; F16K7/20; F16K3/00; F16K3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1885121A
Cited
US2031531A
Cited
US2359369A
Cited
US2449481A
Cited
GB648678A
Cited
US2756773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |