US3429330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mouthpiece for orally operated valve
Assignee: Halkey Roberts Corp
•
Filing: 1967-04-26
•
Granted: 1969-02-25
•
Expires: 1987-04-26
Abstract
No abstract record available.
Inventors
- 👤 Armen Bogossian
- 👤 Henry H Mackal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:51
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB558932A
Cited
US2502301A
Cited
US2855946A
Cited
FR1189939A
Cited
US3064287A
Cited
US3351081A
Cited
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 |