Patent US3302876A successfully refreshed from Google Patents.
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
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:10
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)
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 |