US3018955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for performing arithmetic operations
Assignee: RTX Corp
•
Filing: 1958-03-27
•
Granted: 1962-01-30
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Myron J Mendelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:30
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/4915; G06F7/52; H; H03; H03M; H03M7/00; H03M7/02; H03M7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2192612A
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US2419502A
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US2544126A
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US2745599A
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US2845219A
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US2762563A
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US2954927A
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US2829827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |