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US2586327A
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US
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Ceiling suspension clasp hook
Assignee: Individual
•
Filing: 1949-08-25
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Granted: 1952-02-19
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Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 William J Haertel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:46
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1218283A
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US1507652A
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US1754214A
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US1891512A
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US1864965A
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US2302585A
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US2481794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |