Patent US2374595A successfully refreshed from Google Patents.
US2374595A
Expired / Lapsed
US
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Reciprocable telescopic members
Assignee: AT&T Inc
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Filing: 1943-09-15
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Granted: 1945-04-24
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Expires: 1963-09-15
Abstract
No abstract record available.
Inventors
- 👤 Erwin E Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:38
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0002; F01B3/0017; F01B3/002; F04; F04B; F04B53/00; F04B53/14; F04B53/144; F04B53/146; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18336
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) | 1948-04-23 | 1948-10-23 | 1949-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-23 | 1952-10-23 | 1953-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-23 | 1956-10-23 | 1957-04-24 | $7700.00 | Window Closed / Lapsed |