US3189735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel coded digit adder
Assignee: NCR Voyix Corp
•
Filing: 1961-04-04
•
Granted: 1965-06-15
•
Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert O Gunderson
- 👤 Tom T Tang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:02
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/502; G06F7/491; G06F7/492; G06F7/493; G06F7/494; G06F2207/00; G06F2207/492; G06F2207/4924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2928601A
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US2705108A
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US2886241A
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US2799450A
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US2890830A
Cited
US3001711A
Cited
US2991009A
Cited
US2981471A
Cited
US3074639A
Cited
US3100836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |