Patent US3222701A successfully refreshed from Google Patents.
US3222701A
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Life buoys
Assignee: LOUISE PIERRETTE PERRAUD
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Filing: 1963-11-29
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Granted: 1965-12-14
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Fest Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:26
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A LIFE BUOY PROVIDED WITH MEANS TO PROTECT THE WEARER''S BODY FROM THE ATTACK OF MARINE LIFE, COMPRISING A BUOY, A SHEATH OF THICK FABRIC ATTACHED TO ONE SIDE OF SAID BUOY, A PLURALITY OF RIGID REINFORCING RINGS SPACED ALONG SAID FABRIC SHEATH, SAID SHEATH BEING ADAPTED TO BE FOLDED AGAINST THE BUOY IN THE INOPERATIVE POSITION AND TO UNFOLD FREELY UNDER THE WEIGHT OF SAID RINGS WHEN SAID BUOY IS IMMERSED, A BOTTOM IN SAID SHEATH, A CENTRAL APERTURE IN SAID BOTTOM, AN ELASTIC CORD ALONG THE EDGE OF SAID APERTURE, SAID APERTURE BEING CAPABLE OF EXPANSION TO PERMIT THE PASSAGE OF THE USER''S BODY THERETHROUGH.
Claim 2
Dependent Claim
107 words
A LIFE BUOY PROVIDED WITH MEANS TO PROTECT THE WEARER''S BODY FROM THE ATTACK OF MARINE LIFE, COMPRISING A BUOY, A SHEATH OF THICK FABRIC ATTACHED TO ONE SIDE OF SAID BUOY, A PLURALITY OF RIGID REINFORCING RINGS SPACED ALONG SAID FABRIC SHEATH, SAID SHEATH BEING ADAPTED TO BE FOLDED AGAINST THE BUOY IN THE INOPERATIVE POSITION AND TO UNFOLD FREELY UNDER THE WEIGHT OF SAID RINGS WHEN SAID BUOY IS IMMERSED, A BOTTOM IN SAID SHEATH, A CENTRAL APERTURE IN SAID BOTTOM, AN ELASTIC CORD ALONG THE EDGE OF SAID APERTURE, SAID APERTURE BEING CAPABLE OF EXPANSION TO PERMIT THE PASSAGE OF THE USER''S BODY THERETHROUGH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |