US3477867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket assemblies
Assignee: Dowty Seals Ltd
•
Filing: 1965-08-25
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Granted: 1969-11-11
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Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Edward F H B Hillier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:11
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; B; B29; B29C; B29C43/00; B29C43/02; B29C43/027; B29C43/18; B29C67/00; B29C67/08; B29D; B29D99/00; B29D99/0053; F16J15/10; F16J15/12; F16J15/121; F16J15/122; F16J15/123; B29C41/00; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S277/00; Y10S277/922; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24479; Y10T428/24612; Y10T428/24777
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2055103A
Cited
US2289620A
Cited
US2516647A
Cited
US2502926A
Cited
US2720406A
Cited
US3131081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |