Patent US2588862A successfully refreshed from Google Patents.
US2588862A
Expired / Lapsed
US
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Universal mounting frame for use with telephones
Assignee: Teledex Inc
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Filing: 1947-12-18
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Granted: 1952-03-11
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Expires: 1967-12-18
Abstract
No abstract record available.
Inventors
- 👤 Edward L Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:01
CPC Classifications
B; B42; B42D; B42D19/00; H; H04; H04M; H04M1/00; H04M1/02; H04M1/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1161762A
Cited
US1377160A
Cited
US1425550A
Cited
US1619099A
Cited
GB334942A
Cited
US1988697A
Cited
US2208860A
Cited
US2350075A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |