Patent US3081710A successfully refreshed from Google Patents.
US2644028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint for coaxial lines
Assignee: Individual
•
Filing: 1942-05-04
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Granted: 1953-06-30
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Expires: 1962-05-04
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Bernet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:13
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/06; H01P1/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1037522A
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US1841473A
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US1937652A
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US1921117A
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US1929878A
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US2044580A
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US2165961A
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US2249443A
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US2404797A
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US2427752A
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US2437067A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |