US3290658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic computer with interrupt facility
Assignee: RCA Corp
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Filing: 1963-12-11
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Granted: 1966-12-06
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Expires: 1983-12-11
Abstract
No abstract record available.
Inventors
- 👤 James F Callahan
- 👤 Richard D Smith
- 👤 Richard H Yen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ELECTRONIC COMPUTER HAVING A PROGRAM-CONTROLLED INTERRUPT FACILITY COMPRISING A PLURALITY OF INTERRUPT INDICATORS EACH ADAPTED TO BE SET IN RESPONSE TO A REQUEST FOR INTERRUPTION DUE TO THE OCCURRENCE OF A RESPECTIVE CONDITION, MEANS RESPONSIVE TO THE SETTING OF ANY INTERRUPT INDICATOR TO CAUSE AN INTERRUPTION OF THE PROGRAM BEING PERFORMED AND A JUMP TO THE PERFORMANCE OF A STORED PROGRAM WHICH SCANS THE CONDITIONS OF THE INTERRUPT INDICATORS AND GENERATES AN ADDRESS PECULIAR TO THE CONDITIONS FOUND, AND MEANS UTILIZING SAID ADDRESS TO FETCH AND ENTER INTO THE PERFORMANCE OF A CORRESPONDING STORED-PROGRAM INTERRUPT SUBROUTINE, OR TO RETURN THE PERFORMANCE OF THE INTERRUPTED PROGRAM.
Claim 2
Dependent Claim
106 words
AN ELECTRONIC COMPUTER HAVING A PROGRAM-CONTROLLED INTERRUPT FACILITY COMPRISING A PLURALITY OF INTERRUPT INDICATORS EACH ADAPTED TO BE SET IN RESPONSE TO A REQUEST FOR INTERRUPTION DUE TO THE OCCURRENCE OF A RESPECTIVE CONDITION, MEANS RESPONSIVE TO THE SETTING OF ANY INTERRUPT INDICATOR TO CAUSE AN INTERRUPTION OF THE PROGRAM BEING PERFORMED AND A JUMP TO THE PERFORMANCE OF A STORED PROGRAM WHICH SCANS THE CONDITIONS OF THE INTERRUPT INDICATORS AND GENERATES AN ADDRESS PECULIAR TO THE CONDITIONS FOUND, AND MEANS UTILIZING SAID ADDRESS TO FETCH AND ENTER INTO THE PERFORMANCE OF A CORRESPONDING STORED-PROGRAM INTERRUPT SUBROUTINE, OR TO RETURN THE PERFORMANCE OF THE INTERRUPTED PROGRAM.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |