US2646741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grille structure
Assignee: Titus Manufacturing Corp
•
Filing: 1948-06-25
•
Granted: 1953-07-28
•
Expires: 1968-06-25
Abstract
No abstract record available.
Inventors
- 👤 Castle Vernon Dell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:16
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1465700A
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US1718754A
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US1956829A
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GB390866A
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US2034231A
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US2051613A
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US2069370A
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US2195411A
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DE675341C
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US2185712A
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US2152447A
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US2402595A
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US2588626A
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US2462138A
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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) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |