US2770696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1954-01-06
•
Granted: 1956-11-13
•
Expires: 1974-01-06
Abstract
No abstract record available.
Inventors
- 👤 Robert H Koenig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:27
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/10; H01H; H01H3/00; H01H3/02; H01H3/14; H01H3/141; H01H3/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US774436A
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US1725963A
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US1928472A
Cited
US1950490A
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US1915292A
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GB402446A
Cited
US2361826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |