US3398978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient coupling
Assignee: Autoclave Engineers Inc
•
Filing: 1965-05-13
•
Granted: 1968-08-27
•
Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Gasche Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:25
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/1012; F16L23/00; F16L23/16; F16L23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA484214A
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US1064515A
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DE528413C
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US2219161A
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DE917219C
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FR994834A
Cited
FR1034886A
Cited
US2831708A
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US2773710A
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US3038743A
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US3218095A
Cited
US3332710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |