Patent US5527780A successfully refreshed from Google Patents.
Patent US2934182A successfully refreshed from Google Patents.
US2934182A
Expired / Lapsed
US
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Threaded screws and the joining of parts by means of threaded screws
Assignee: Metropolitan Vickers Electrical Co Ltd
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Filing: 1956-01-16
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Granted: 1960-04-26
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Expires: 1976-01-16
Abstract
No abstract record available.
Inventors
- 👤 Neville Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:27
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B35/041; F16B5/00; F16B5/02; Y; Y10; Y10T; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US909720A
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US2271796A
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GB687622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |