Patent US3487170A successfully refreshed from Google Patents.
US3487170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal junctor
Assignee: Stromberg Carlson Corp
•
Filing: 1966-05-23
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Granted: 1969-12-30
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Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 James G Pearce
- 👤 William W Pharis
- 👤 Gerhard O K Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:05
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; H04Q3/54; H04Q3/545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3336442A
Cited
US3334189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |