Patent US3716882A successfully refreshed from Google Patents.
US3716882A
Expired / Lapsed
US
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Automatic inflator device for expandable structures
Assignee: Ilc Industries Inc
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Filing: 1970-08-05
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Granted: 1973-02-20
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Expires: 1990-08-05
Abstract
Abstract AN INFLATOR DEVICE FOR RELEASING INFLATING MATERIAL FROM A PRESSURIZED CONTAINER TO INFLATE A STRUCTURE, THAT IS ACTUATED BY HYDROSTATIC PRESSURE TO EFFECT DISSOLVING OF SOLUBLE TRIGGERING MEANS TO CAUSE RELEASE OF THE INFLATING MATERIAL WHEN THE DEVICE IS IMMERSED TO A PREDETERMINED DEPTH IN WATER AND METHOD OF INFLATING THE DEVICE.
Inventors
- 👤 W Middleton
- 👤 F Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:12
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |