US3820178B1 - - Google Patents

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Publication number
US3820178B1
US3820178B1 US17074071A US3820178B1 US 3820178 B1 US3820178 B1 US 3820178B1 US 17074071 A US17074071 A US 17074071A US 3820178 B1 US3820178 B1 US 3820178B1
Authority
US
United States
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
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English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kransco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of US3820178A publication Critical patent/US3820178A/en
Application granted granted Critical
Publication of US3820178B1 publication Critical patent/US3820178B1/en
Assigned to KRANSCO reassignment KRANSCO ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: M BENTLEY BELTS (PROPRIETARY) LIMITED
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
    • B63C9/125—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments
    • B63C9/1255—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses having gas-filled compartments inflatable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
US00170740A 1970-08-31 1971-08-11 Swimming aids Expired - Lifetime US3820178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA705961*A ZA705961B (en) 1970-08-31 1970-08-31 Improvements in or relating to swimming aids

Publications (2)

Publication Number Publication Date
US3820178A US3820178A (en) 1974-06-28
US3820178B1 true US3820178B1 (enrdf_load_stackoverflow) 1987-06-02

Family

ID=25562430

Family Applications (1)

Application Number Title Priority Date Filing Date
US00170740A Expired - Lifetime US3820178A (en) 1970-08-31 1971-08-11 Swimming aids

Country Status (3)

Country Link
US (1) US3820178A (enrdf_load_stackoverflow)
JP (1) JPS5214519B1 (enrdf_load_stackoverflow)
ZA (1) ZA705961B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944316A1 (de) * 1979-11-02 1981-05-21 Alfred 8900 Augsburg Warmuth Schwimmfaehiger sicherheits- schwimmtrainer
DE3014079A1 (de) * 1980-04-12 1981-10-15 Alfred 8900 Augsburg Warmuth Schwimmfaehiger sicherheits-schwimmtrainer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944316A1 (de) * 1979-11-02 1981-05-21 Alfred 8900 Augsburg Warmuth Schwimmfaehiger sicherheits- schwimmtrainer
DE3014079A1 (de) * 1980-04-12 1981-10-15 Alfred 8900 Augsburg Warmuth Schwimmfaehiger sicherheits-schwimmtrainer

Also Published As

Publication number Publication date
US3820178A (en) 1974-06-28
JPS5214519B1 (enrdf_load_stackoverflow) 1977-04-22
ZA705961B (en) 1971-10-27
AU3293371A (en) 1973-03-08

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Legal Events

Date Code Title Description
RR Request for reexamination filed

Effective date: 19860611

B1 Reexamination certificate first reexamination
AS Assignment

Owner name: KRANSCO, CALIFORNIA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:M BENTLEY BELTS (PROPRIETARY) LIMITED;REEL/FRAME:005030/0141

Effective date: 19881103