US3449172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric assembly having a prepunched metal foil connector
Assignee: United States Atomic Energy Commission
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Filing: 1967-06-09
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Granted: 1969-06-10
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Expires: 1987-06-09
Abstract
No abstract record available.
Inventors
- 👤 Andrew G F Dingwall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:44
CPC Classifications
G; G21; G21H; G21H1/00; G21H1/10; G21H1/103; H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |