US2473775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative cover for telephone desk sets
Assignee: COLORPHONE Inc
•
Filing: 1946-08-26
•
Granted: 1949-06-21
•
Expires: 1966-08-26
Abstract
No abstract record available.
Inventors
- 👤 Calvin H Allen
- 👤 Mary E Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:15
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315794A
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US1340863A
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US1863130A
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US1912231A
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US2096046A
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US2244918A
Cited
US2200810A
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US2428972A
Cited
US2440569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |