US2590159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner fitting for knockdown structures
Assignee: Individual
•
Filing: 1947-04-05
•
Granted: 1952-03-25
•
Expires: 1967-04-05
Abstract
No abstract record available.
Inventors
- 👤 William E Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:04
CPC Classifications
B; B65; B65D; B65D9/00; B65D9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE36041C
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US296444A
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US405672A
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US483871A
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FR372840A
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US949394A
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US1031691A
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US1215839A
Cited
US1510503A
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US1445630A
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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) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |