US3527482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic coupling
Assignee: Bell Aerospace Corp
•
Filing: 1968-07-30
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Granted: 1970-09-08
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Expires: 1988-07-30
Abstract
No abstract record available.
Inventors
- 👤 Lesley C Casterline
- 👤 Francis E De Pauw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:33
CPC Classifications
F; F16; F16L; F16L39/00; F16L39/04; F16L29/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |