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Patent US2678705A successfully refreshed from Google Patents.
US2678705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal telephone booth
Assignee: AT&T Inc
•
Filing: 1950-04-07
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Granted: 1954-05-18
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Expires: 1970-04-07
Abstract
No abstract record available.
Inventors
- 👤 John R Haines
- 👤 Nelson H Mageoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:57
CPC Classifications
E; E04; E04H; E04H1/00; E04H1/12; E04H1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2028627A
Cited
US2176980A
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US2263510A
Cited
US2351419A
Cited
US2313471A
Cited
US2328618A
Cited
US2345705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |