US3015436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Division mechanism for listing calculator
Assignee: —
•
Filing: —
•
Granted: 1962-01-02
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:05
CPC Classifications
G; G06; G06C; G06C15/00; G06C15/08; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/52; G06F7/535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964478A
Cited
US2237881A
Cited
US2297243A
Cited
US2688439A
Cited
US2773646A
Cited
US2834542A
Cited
US2308292A
Cited
US2681765A
Cited
US2668011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |