US3438387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve structure
Assignee: Balon Corp
•
Filing: 1965-08-09
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Granted: 1969-04-15
•
Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Domer Scaramucci
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:28
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/06; F16K15/00; F16K15/02; F16K15/04; F16K27/00; F16K27/02; F16K27/04; F16K27/044; F16K27/06; F16K27/067; F16K3/00; F16K3/02; F16K3/0227; F16K5/0626; F16K5/0663; F16K5/0668; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6031; Y10T137/6035; Y10T137/6038; Y10T137/6058; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1291388A
Cited
US2728135A
Cited
US2890856A
Cited
US3055100A
Cited
US3078754A
Cited
US3155368A
Cited
US3144804A
Cited
US3287034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |