US2856207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duct with resiliently biased ball and socket joint
Assignee: Rohr Inc
•
Filing: 1956-03-05
•
Granted: 1958-10-14
•
Expires: 1976-03-05
Abstract
No abstract record available.
Inventors
- 👤 William F Bunsen
- 👤 Robert B Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:42
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/1004; F16L27/02; F16L27/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US795564A
Cited
GB190611262A
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FR379896A
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US872121A
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FR510417A
Cited
US2117152A
Cited
GB613369A
Cited
US2493404A
Cited
US2556659A
Cited
US2712456A
Cited
US2781205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |