US2501875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying strip material
Assignee: AT&T Inc
•
Filing: 1945-08-14
•
Granted: 1950-03-28
•
Expires: 1965-08-14
Abstract
No abstract record available.
Inventors
- 👤 Vincent A Rayburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0092; F; F26; F26B; F26B13/00; F26B13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US793092A
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US928158A
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US1091941A
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US1551405A
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US1805671A
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US1839105A
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US2144770A
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US2356285A
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US2290777A
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US2289753A
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US2323918A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |