Patent US2445552A successfully refreshed from Google Patents.
US2445552A
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Display structure
Assignee: Individual
•
Filing: 1940-11-06
•
Granted: 1948-07-20
•
Expires: 1960-11-06
Abstract
No abstract record available.
Inventors
- 👤 Jack E Baxter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:22
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12
Claims Analysis
Total Claims: 0
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US2139322A
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US2151447A
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US2181451A
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US2213506A
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GB537339A
Cited
US2260178A
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US2300746A
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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) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |