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US3302876A Expired / Lapsed US ⏱️ 0.0 years remaining

Compact calculating machine

Assignee: —
•
Filing: —
•
Granted: 1967-02-07
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Expires: 1984-02-07
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 00:00
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 136 words
A COMPACT CALCULATING MACHINE COMPRISING (A) A SERIES OF ROTATABLE ENTRY WHEELS NUMBERED FROM ZERO TO NINE, (B) A SERIES OF ROTATABLE TOTAL WHEELS NUMBERED FROM ZERO TO NINE, (C) A SERIES OF TRANSFER MEMBERS SUPPORTED FOR ROTATION ON A COMMON SHAFT, SAID COMMON SHAFT BEING MAINTAINED IN A FIXED POSITION ON THE MACHINE, AND SAID ENTRY WHEELS AND SAID TOTAL WHEELS BEING NORMALLY POSITIONED IN DRIVING ENGAGEMENT WITH SAID TRANSFER MEMBERS, (D) MEANS SUPPORTING SAID ENTRY WHEELS FOR MOVEMENT AWAY FROM SAID TRANSFER MEMBERS WHEREBY SAID ENTRY WHEELS MOVE OUT OF DRIVING ENGAGEMENT WITH SAID TRANSFER MEMBERS, (E) MEANS OPERABLE IN RESPONSE TO MOVEMENT OF SAID ENTRY WHEELS AWAY FROM SAID TRANSFER MEMBERS FOR AUTOMATICALLY RETURNING SAID ENTRY WHEELS TO THE ZERO POSITION, AND (F) MEANS FOR RETURNING SAID TOTAL WHEELS TO THE ZERO POSITION.
Claim 2
Dependent Claim 136 words
A COMPACT CALCULATING MACHINE COMPRISING (A) A SERIES OF ROTATABLE ENTRY WHEELS NUMBERED FROM ZERO TO NINE, (B) A SERIES OF ROTATABLE TOTAL WHEELS NUMBERED FROM ZERO TO NINE, (C) A SERIES OF TRANSFER MEMBERS SUPPORTED FOR ROTATION ON A COMMON SHAFT, SAID COMMON SHAFT BEING MAINTAINED IN A FIXED POSITION ON THE MACHINE, AND SAID ENTRY WHEELS AND SAID TOTAL WHEELS BEING NORMALLY POSITIONED IN DRIVING ENGAGEMENT WITH SAID TRANSFER MEMBERS, (D) MEANS SUPPORTING SAID ENTRY WHEELS FOR MOVEMENT AWAY FROM SAID TRANSFER MEMBERS WHEREBY SAID ENTRY WHEELS MOVE OUT OF DRIVING ENGAGEMENT WITH SAID TRANSFER MEMBERS, (E) MEANS OPERABLE IN RESPONSE TO MOVEMENT OF SAID ENTRY WHEELS AWAY FROM SAID TRANSFER MEMBERS FOR AUTOMATICALLY RETURNING SAID ENTRY WHEELS TO THE ZERO POSITION, AND (F) MEANS FOR RETURNING SAID TOTAL WHEELS TO THE ZERO POSITION.

References Cited (Backward Citations)

GB143884A Cited
US2083200A Cited
US705838A Cited
US1120138A Cited
US2864170A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-06 1970-08-08 1971-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-06 1974-08-08 1975-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-06 1978-08-08 1979-02-07 $7700.00 Window Closed / Lapsed

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