Patent US3458220A successfully refreshed from Google Patents.
US3458220A
Expired / Lapsed
US
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Fluid couplings
Assignee: CLAM SEALS INTERN Co Ltd
•
Filing: 1969-07-28
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Granted: 1969-07-29
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Expires: 1989-07-28
Abstract
No abstract record available.
Inventors
- 👤 Cyril Ernest Rose
- 👤 Michael Eric Hansard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:21
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/08; F16L19/083; F16L19/086; F16L19/02; F16L19/0212; F16L19/0218; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB360587A
Cited
FR727075A
Cited
US2413308A
Cited
DE819340C
Cited
DE883992C
Cited
US3217922A
Cited
US3274326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |