Patent US2827067A successfully refreshed from Google Patents.
Patent US3452558A successfully refreshed from Google Patents.
US3452558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joints
Assignee: GKN Service UK Ltd
•
Filing: 1967-09-18
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Granted: 1969-07-01
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Expires: 1987-09-18
Abstract
No abstract record available.
Inventors
- 👤 William Cull
- 👤 Philip Hutchinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:25
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/226; F16D3/227; F16D2003/22303; F16D2003/22313; F16D2003/2232; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2911805A
Cited
US2914930A
Cited
US3176476A
Cited
US3162024A
Cited
US3237479A
Cited
US3362193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |