US3429336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus automatically controlling the correlation between time and air pressure
Assignee: IHI Corp
•
Filing: 1966-12-07
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Granted: 1969-02-25
•
Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 Kazuhiro Moriyama
- 👤 Toshimitsu Hori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:24
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/06; G05B19/066; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7761; Y10T137/7781; Y10T137/7782; Y10T137/8593; Y10T137/86389
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602548A
Cited
US1301405A
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US2661577A
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US2818081A
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US3017556A
Cited
US2984251A
Cited
US3180356A
Cited
US3348032A
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 |