Patent US2552066A successfully refreshed from Google Patents.
US2552066A
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US
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Fastening device
Assignee: Glenn L Martin Co
•
Filing: 1944-10-12
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Granted: 1951-05-08
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Expires: 1964-10-12
Abstract
No abstract record available.
Inventors
- 👤 Carl P Sorensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:45
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10; F16B21/00; F16B21/06; F16B21/07; F16B21/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1243859A
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US1467335A
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US1890348A
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US2140064A
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US2200702A
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US2230916A
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US2238664A
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US2352982A
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US2325295A
Cited
US2416873A
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US2454223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |