US3032060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-low pressure relief valve for flotation gear
Assignee: Knapp Monarch Co
•
Filing: 1959-08-24
•
Granted: 1962-05-01
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Hazel Y Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:52
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/06; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K17/044; F16K15/14; F16K15/144; F16K2200/00; F16K2200/30; F16K2200/302; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/7861; Y10T137/7878; Y10T137/7904; Y10T137/7905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1370459A
Cited
US1737588A
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US2052098A
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US2306903A
Cited
US2508403A
Cited
US2657704A
Cited
US2727529A
Cited
US2770255A
Cited
US2908288A
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US2854996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |