Patent US3606939A successfully refreshed from Google Patents.
US3606939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable escape slide
Assignee: Zodiac Acquisition Corp
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Filing: 1969-03-06
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Granted: 1971-09-21
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Expires: 1989-03-06
Abstract
Abstract THE LOWER HALF OF THE LENGTH OF AN INFLATABLE ESCAPE SLIDE IS DOUBLED BACK OVER AND ONTO THE TOP OF THE UPPER HALF AND RESTRAINED THEREAT BY HOOK AND PILE FASTENERS WHICH ARE SECURED DURING AN INITIAL SLIDE INFLATION STAGE UNTIL THE BEAM MEMBERS OF THE SLIDE ARE NEARLY FULLY SHAPED, AND WHICH ARE THEN RELEASED TO PERMIT THE LOWER HALF TO SWING UPWARDLY, OUTWARDLY AND THEN DOWNWARDLY TO REST, THUS PREVENTING TUCK-UNDER DURING INFLATION OF THE SLIDE IN A CROSS WIND.
Inventors
- 👤 James R Summer
- 👤 Clarence S Melander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:18
CPC Classifications
B; B64; B64D; B64D25/00; B64D25/08; B64D25/14; Y; Y10; Y10S; Y10S128/00; Y10S128/15
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |