Patent US2777353A successfully refreshed from Google Patents.
US2777353A
Expired / Lapsed
US
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Screw socket construction having tool guiding means formed therein
Assignee: Individual
•
Filing: 1952-10-30
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Granted: 1957-01-15
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Expires: 1972-10-30
Abstract
No abstract record available.
Inventors
- 👤 Robert W Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:54
CPC Classifications
F; F16; F16B; F16B23/00; F16B23/0007; F16B23/0038; Y; Y10; Y10S; Y10S411/00; Y10S411/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US975285A
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GB191222547A
Cited
US1298397A
Cited
GB389105A
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US2202240A
Cited
GB562248A
Cited
US2397216A
Cited
US2445978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-15 | 1960-07-16 | 1961-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-15 | 1964-07-16 | 1965-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-15 | 1968-07-16 | 1969-01-15 | $7700.00 | Window Closed / Lapsed |