Patent US2556155A successfully refreshed from Google Patents.
US2556155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Socket head screw
Assignee: Individual
•
Filing: 1946-07-13
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Granted: 1951-06-05
•
Expires: 1966-07-13
Abstract
No abstract record available.
Inventors
- 👤 Domnic V Stellin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:18
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0007; F16B23/0038; F16B23/0092; F16B23/0015; F16B23/0023; Y; Y10; Y10S; Y10S411/00; Y10S411/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US131843A
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US975285A
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US1814966A
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US1910182A
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US2142185A
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US2173707A
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US2285461A
Cited
US2268515A
Cited
US2322509A
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 |