US2797464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Individual
•
Filing: 1953-04-09
•
Granted: 1957-07-02
•
Expires: 1973-04-09
Abstract
No abstract record available.
Inventors
- 👤 Victor F Zahodiakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:49
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2239125A
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GB544966A
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US2309732A
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US2378122A
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US2372496A
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GB560128A
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US2392718A
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US2391288A
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US2533115A
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US2486670A
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US2451808A
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US2487916A
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US2684516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |