Patent US3396743A successfully refreshed from Google Patents.
US3396743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oral inflation valve
Assignee: Halkey Roberts Corp
•
Filing: 1965-12-16
•
Granted: 1968-08-13
•
Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 Henry H Mackal
- 👤 Bogossian Armen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:32
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/24; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7931
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2355288A
Cited
US2405736A
Cited
US2502301A
Cited
GB829931A
Cited
US3067770A
Cited
US3310064A
Cited
US3351081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |