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Patent US2555420A successfully refreshed from Google Patents.
US2555420A
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US
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Fastener
Assignee: Individual
•
Filing: 1945-05-02
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Granted: 1951-06-05
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Expires: 1965-05-02
Abstract
No abstract record available.
Inventors
- 👤 Gay M Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:24
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1146651A
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US1248008A
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US1861097A
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US1975971A
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US1957770A
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US2102999A
Cited
US2302590A
Cited
US2314770A
Cited
US2353851A
Cited
US2355439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |