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US3353197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Life ring
Assignee: Gentex Corp
•
Filing: 1965-07-27
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Granted: 1967-11-21
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Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Leonard P Frieder
- 👤 Edgar G Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:22
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A SAFETY LIFE RING INCLUDING IN COMBINATION AN ANNULAR BODY OF SOFT AND RESILIENT BUOYANT MATERIAL, A LINE SURROUNDING SAID BODY, RESPECTIVE MEANS FOR CONNECTING SAID LINE TO SAID BODY AT SPACED POINTS THEREAROUND, A FIRST CONTINUOUS LENGTH OF FLEXIBLE TENSION-RESISTING MATERIAL EMBEDDED IN SAID BODY SAID FIRST LENGTH EXTENDING ENTIRELY AROUND AND WITHIN SAID ANNULAR BODY, RESPECTIVE SECOND LENGTHS OF FLEXIBLE TENSION-RESISTING MATERIAL EMBEDDED IN SAID BODY, SAID SECOND LENGTHS EXTENDING WITHIN SAID BODY
Claim 2
Dependent Claim
75 words
A SAFETY LIFE RING INCLUDING IN COMBINATION AN ANNULAR BODY OF SOFT AND RESILIENT BUOYANT MATERIAL, A LINE SURROUNDING SAID BODY, RESPECTIVE MEANS FOR CONNECTING SAID LINE TO SAID BODY AT SPACED POINTS THEREAROUND, A FIRST CONTINUOUS LENGTH OF FLEXIBLE TENSION-RESISTING MATERIAL EMBEDDED IN SAID BODY SAID FIRST LENGTH EXTENDING ENTIRELY AROUND AND WITHIN SAID ANNULAR BODY, RESPECTIVE SECOND LENGTHS OF FLEXIBLE TENSION-RESISTING MATERIAL EMBEDDED IN SAID BODY, SAID SECOND LENGTHS EXTENDING WITHIN SAID BODY
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |