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US3291323A Expired / Lapsed US ⏱️ 0.0 years remaining

Tape cartridge changer mechanism

Assignee: 3M Co
•
Filing: 1964-07-13
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Granted: 1966-12-13
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Expires: 1984-07-13
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Abstract

No abstract record available.

Inventors

  • 👤 Pastor Sheldon Lee
  • 👤 Zarr Myron

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:16
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/675; G11B15/68; G11B15/6885; G11B15/6895; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/111

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 149 words
IN COMBINATION, MEANS DEFINING FIRST AND SECOND OIPEN BOTTOMED MAGAZINES IN SIDE-BY-SIDE RELATION, A PLATFORM MOUNTED FOR MOVEMENT BETWEEN A HORIZONTAL FIRST POSITION CLOSING THE BOTTOM OF BOTH MAGAZINES AND A SECOND POSITION BELOW SAID MAGAZINES WHEREIN IT IS INCLINED IN THE DIRECTION OF ALINEMENT OF SAID MAGAZINE AND THE PORTION THEREOF SUBTENDING SIAD FIRST MAGAZINE, AND IS LOWER THAN THAT SUBTENDING SAID FIRST MAGAZINE, AND ACTUATING MEANS FOR EFFECTING MOVEMENT OF SAID PLATFORM FROM SAID FIRST TO SAID SECOND POSITION TO AFFORD A TRANSFER PATH FOR TRAVEL OF A UNIT FROM A FIRST POSITION ON SID PLAT FORM WITHIN WITH SAID FIRST MAGAZINE TRANSVERSELY AND DOWNWARDLY ALONG SAID INCLINED PLATFORM TO A SECOND POSITION ON SAID PLATFORM BELOW SAID SECOND MAGAZINE AND FOR EFFECTING SUBSEQUENT RETURN OF SAID PLATFORM TO SAID FIRST POSITION FOR INTRODUCTION OF A UNIT THUS TRANSFERRED INTO THE LOWERMOST POSITION IN SAID SECOND MAGAZINE.
Claim 2
Dependent Claim 149 words
IN COMBINATION, MEANS DEFINING FIRST AND SECOND OIPEN BOTTOMED MAGAZINES IN SIDE-BY-SIDE RELATION, A PLATFORM MOUNTED FOR MOVEMENT BETWEEN A HORIZONTAL FIRST POSITION CLOSING THE BOTTOM OF BOTH MAGAZINES AND A SECOND POSITION BELOW SAID MAGAZINES WHEREIN IT IS INCLINED IN THE DIRECTION OF ALINEMENT OF SAID MAGAZINE AND THE PORTION THEREOF SUBTENDING SIAD FIRST MAGAZINE, AND IS LOWER THAN THAT SUBTENDING SAID FIRST MAGAZINE, AND ACTUATING MEANS FOR EFFECTING MOVEMENT OF SAID PLATFORM FROM SAID FIRST TO SAID SECOND POSITION TO AFFORD A TRANSFER PATH FOR TRAVEL OF A UNIT FROM A FIRST POSITION ON SID PLAT FORM WITHIN WITH SAID FIRST MAGAZINE TRANSVERSELY AND DOWNWARDLY ALONG SAID INCLINED PLATFORM TO A SECOND POSITION ON SAID PLATFORM BELOW SAID SECOND MAGAZINE AND FOR EFFECTING SUBSEQUENT RETURN OF SAID PLATFORM TO SAID FIRST POSITION FOR INTRODUCTION OF A UNIT THUS TRANSFERRED INTO THE LOWERMOST POSITION IN SAID SECOND MAGAZINE.

References Cited (Backward Citations)

US2598222A Cited
US2749120A Cited
US2744372A Cited
US3038615A Cited
US3015303A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-12 1970-06-13 1970-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-12 1974-06-13 1974-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-12 1978-06-13 1978-12-13 $7700.00 Window Closed / Lapsed

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