Patent US3462180A successfully refreshed from Google Patents.
US3462180A
Expired / Lapsed
US
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Tensioning of bolts,studs and like screw-threaded members
Assignee: P AND O PILGRIM VALVE Ltd
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Filing: 1966-12-29
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Granted: 1969-08-19
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Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Bunyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:00
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/097; B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/067; F16B; F16B31/00; F16B31/04; F16B31/043; F16D1/0805; F16B2200/00; F16B2200/20; F16B2200/30; Y; Y10; Y10T; Y10T403/00; Y10T403/16; Y10T403/1633; Y10T403/22; Y10T403/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE629284A
Cited
US2571265A
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US2959258A
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US3130628A
Cited
GB908360A
Cited
US3059949A
Cited
GB980090A
Cited
US3154006A
Cited
US3358772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |