Patent US2542968A successfully refreshed from Google Patents.
US2542968A
Expired / Lapsed
US
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Fastening device
Assignee: Individual
•
Filing: 1945-12-29
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Granted: 1951-02-20
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Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Victor F Zahodiakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:02
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US44925A
Cited
US98672A
Cited
US377125A
Cited
FR405549A
Cited
US2307132A
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US2399750A
Cited
US2406007A
Cited
US2420042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |