Patent US3453600A successfully refreshed from Google Patents.
US3453600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Program suspension system
Assignee: International Business Machines Corp
•
Filing: 1966-08-18
•
Granted: 1969-07-01
•
Expires: 1986-08-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Stafford
- 👤 Matthew A Krygowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:23
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4843; G06F13/00; G06F13/14; G06F13/20; G06F13/24; G06F13/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3290655A
Cited
US3293610A
Cited
US3297999A
Cited
US3302177A
Cited
US3377619A
Cited
US3348211A
Cited
US3373408A
Cited
US3359544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |