US2444541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal support for article holders
Assignee: Individual
•
Filing: 1945-06-20
•
Granted: 1948-07-06
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Elwin M Strickland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:27
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/22; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; B23Q1/5456; F; F16; F16C; F16C11/00; F16C11/04; F16C11/10; F16C11/103; F16C11/106; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US38273A
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US86173A
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US340429A
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US1677889A
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US1981253A
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CH206781A
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US2310025A
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US2342539A
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US2371435A
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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) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |