US3478273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time slot generator
Assignee: Northrop Grumman Guidance and Electronics Co Inc
•
Filing: 1966-02-01
•
Granted: 1969-11-11
•
Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Glen R Duncan
- 👤 William H Wertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:42
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/15; H03K5/15013; H03K5/1506; H03K5/15093
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3162816A
Cited
US3162815A
Cited
US3168700A
Cited
US3290606A
Cited
US3268820A
Cited
US3268821A
Cited
US3327225A
Cited
US3325741A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |