US2738211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lockable hook type fastener
Assignee: Individual
•
Filing: 1952-03-26
•
Granted: 1956-03-13
•
Expires: 1972-03-26
Abstract
No abstract record available.
Inventors
- 👤 Schlueter Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:00
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B65/0817; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10S292/55; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0915; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5757; Y10T70/5765; Y10T70/577; Y10T70/5774
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189714626A
Cited
GB190416237A
Cited
US1232034A
Cited
US2342848A
Cited
US2340864A
Cited
US2378654A
Cited
US2371386A
Cited
US2486686A
Cited
US2581816A
Cited
US2647287A
Cited
US2676825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |