US3375498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calculator apparatus for distinguishing meaningful digits
Assignee: KBR Wyle Services LLC
•
Filing: 1964-05-18
•
Granted: 1968-03-26
•
Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Scuitto
- 👤 Matthew A Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:45
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/14; G06F3/1407; G06F3/01; G06F3/02; G06F3/0227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3191169A
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US3182308A
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US3235867A
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US3270337A
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US3210759A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |