US3393307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic multiplier/divider
Assignee: Canadian Patents and Development Ltd
•
Filing: 1963-12-30
•
Granted: 1968-07-16
•
Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Courtenay Terence Henry
- 👤 Gilbert Alphonse Antoi Jacques
- 👤 Beaulieu Joseph Alexan Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:20
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2773641A
Cited
US2839244A
Cited
US2966306A
Cited
US2969915A
Cited
US3057555A
Cited
US3043516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |