Patent US2602689A successfully refreshed from Google Patents.
US2602689A
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Collapsible hook structure
Assignee: EDWARD R MATZ
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Filing: 1949-10-12
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Granted: 1952-07-08
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Expires: 1969-10-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth O Matz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:31
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34; B63; B63C; B63C11/00; B63C11/48; B63C11/50; F; F16; F16G; F16G11/00; F16G11/14; F16G11/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1271435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |