US3216657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calculating machine for performing division
Assignee: —
•
Filing: —
•
Granted: 1965-11-09
•
Expires: 1982-11-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:47
CPC Classifications
G; G06; G06C; G06C7/00; G06C7/10; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A PRINTING CALCULATING MACHINE FOR DIVIDING HAVING SEPARATE REGISTERS FOR DIVIDEND, DIVISOR, AND QUOTIENT, FIRST MEANS OPERABLE FOR INITATING AN AUTOMATIC DIVISION PROGRAM, CAM MEANS RESPONSIVE TO THE ACTUATION OF SAID FIRST MEANS OPERABLE FOR AUTOMATICALLY: (A) CLEARING SAID QUOTIENT REGISTER, (B) PRINTING THE NUMBER IN THE DIVISOR REGISTER, (C) TESTING THE NUMBER IN THE DIVIDEND REGISTER, AND THIRD MEANS OPERABLE IN RESPONSE TO THE TEST OF SAID NUMBER IN THE DIVIDEND REGISTER FOR STOPPING SAID CAM MEANS AND INITIATING THE CALCULATION, SAID CAM MEANS BEING OPERABLE, WHEN NOT SO STOPPED, TO PREVENT THE CALCULATION.
Claim 2
Dependent Claim
96 words
IN A PRINTING CALCULATING MACHINE FOR DIVIDING HAVING SEPARATE REGISTERS FOR DIVIDEND, DIVISOR, AND QUOTIENT, FIRST MEANS OPERABLE FOR INITATING AN AUTOMATIC DIVISION PROGRAM, CAM MEANS RESPONSIVE TO THE ACTUATION OF SAID FIRST MEANS OPERABLE FOR AUTOMATICALLY: (A) CLEARING SAID QUOTIENT REGISTER, (B) PRINTING THE NUMBER IN THE DIVISOR REGISTER, (C) TESTING THE NUMBER IN THE DIVIDEND REGISTER, AND THIRD MEANS OPERABLE IN RESPONSE TO THE TEST OF SAID NUMBER IN THE DIVIDEND REGISTER FOR STOPPING SAID CAM MEANS AND INITIATING THE CALCULATION, SAID CAM MEANS BEING OPERABLE, WHEN NOT SO STOPPED, TO PREVENT THE CALCULATION.
References Cited (Backward Citations)
US2666580A
Cited
US2821342A
Cited
US2832532A
Cited
US2905382A
Cited
US2926846A
Cited
US2980323A
Cited
US3005585A
Cited
US3015436A
Cited
US3024975A
Cited
US3029014A
Cited
US2969177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |