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
Application granted granted Critical
Publication of US3820178A publication Critical patent/US3820178A/en
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
ZA705961B (en) 1971-10-27
JPS5214519B1 (enrdf_load_stackoverflow) 1977-04-22
US3820178A (en) 1974-06-28
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