US3369094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gallium metal contact switch
Assignee: Metcom Inc
•
Filing: 1966-07-15
•
Granted: 1968-02-13
•
Expires: 1986-07-15
Abstract
No abstract record available.
Inventors
- 👤 Langberg Edwin
- 👤 Louis W Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:15
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H1/00; H01H1/06; H01H1/08; H01H33/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732464A
Cited
US1251982A
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US1256832A
Cited
US1630176A
Cited
US2384423A
Cited
US2990464A
Cited
US3016436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |