US3429338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflation valve having helically wound leaf spring members for producing rotation of the valve
Assignee: HENRY H MACKAL
•
Filing: 1965-12-30
•
Granted: 1969-02-25
•
Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 Henry H Mackal
- 👤 Armen Bogossian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:07
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/10; A61M25/1018; A61M25/10184; A61M25/10185; F; F16; F16K; F16K15/00; F16K15/20; A61M25/10181; A61M25/10182; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/428; Y10T137/4294; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1055437A
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US1582928A
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US1886205A
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US2208690A
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US2270751A
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US2590686A
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US3063461A
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US3192949A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |