US2833993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Top wall hybrid junctions
Assignee: Individual
•
Filing: 1952-06-20
•
Granted: 1958-05-06
•
Expires: 1972-06-20
Abstract
No abstract record available.
Inventors
- 👤 Henry J Riblett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:37
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/12; H01P5/16; H01P5/18; H01P5/181; H01P5/182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563612A
Cited
US2403289A
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US2562281A
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US2609450A
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US2643295A
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US2584162A
Cited
US2615982A
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US2684469A
Cited
US2709241A
Cited
US2679631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |