Patent US1624595A successfully refreshed from Google Patents.
US1624595A
Expired / Lapsed
US
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Attachment to electric insulation
Assignee: AT&T Inc
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Filing: 1922-06-03
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Granted: 1927-04-12
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Expires: 1942-06-03
Abstract
No abstract record available.
Inventors
- 👤 Haddock Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:24
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/02; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1930-04-11 | 1930-10-11 | 1931-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-11 | 1934-10-11 | 1935-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-11 | 1938-10-11 | 1939-04-12 | $7700.00 | Window Closed / Lapsed |